Home / 2,257,486.76-3,114,444.87-1,290,098.07

Finding the Fourth Proportional to 2,257,486.76, 3,114,444.87 and 1,290,098.07

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Solution

The fourth proportional to 2,257,486.76, 3,114,444.87 and 1,290,098.07 is: 1,779,828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,486.76 : 3,114,444.87 = 1,290,098.07 : x
  2. Step 2: Convert to fraction form
    2,257,486.76/3,114,444.87 = 1,290,098.07/x
  3. Step 3: Cross multiply
    2,257,486.76x = 3,114,444.87 × 1,290,098.07
  4. Step 4: Simplify right side
    2,257,486.76x = 4,017,939,315,908.40
  5. Step 5: Solve for x
    x = 4,017,939,315,908.40/2,257,486.76
  6. Step 6: Final answer
    x = 1,779,828.52

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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.