Home / 3,116,234.70-4,300,386.12-1,739,498.76

Finding the Fourth Proportional to 3,116,234.70, 4,300,386.12 and 1,739,498.76

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Solution

The fourth proportional to 3,116,234.70, 4,300,386.12 and 1,739,498.76 is: 2,400,498.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,234.70 : 4,300,386.12 = 1,739,498.76 : x
  2. Step 2: Convert to fraction form
    3,116,234.70/4,300,386.12 = 1,739,498.76/x
  3. Step 3: Cross multiply
    3,116,234.70x = 4,300,386.12 × 1,739,498.76
  4. Step 4: Simplify right side
    3,116,234.70x = 7,480,516,323,261.21
  5. Step 5: Solve for x
    x = 7,480,516,323,261.21/3,116,234.70
  6. Step 6: Final answer
    x = 2,400,498.37

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Double scale
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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.