Home / 3,518,414.76-4,855,421.78-1,908,782.76

Finding the Fourth Proportional to 3,518,414.76, 4,855,421.78 and 1,908,782.76

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Solution

The fourth proportional to 3,518,414.76, 4,855,421.78 and 1,908,782.76 is: 2,634,125.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518,414.76 : 4,855,421.78 = 1,908,782.76 : x
  2. Step 2: Convert to fraction form
    3,518,414.76/4,855,421.78 = 1,908,782.76/x
  3. Step 3: Cross multiply
    3,518,414.76x = 4,855,421.78 × 1,908,782.76
  4. Step 4: Simplify right side
    3,518,414.76x = 9,267,945,386,192.51
  5. Step 5: Solve for x
    x = 9,267,945,386,192.51/3,518,414.76
  6. Step 6: Final answer
    x = 2,634,125.31

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.