Home / 1,952,001.87-2,690,111.27-1,407,209.24

Finding the Fourth Proportional to 1,952,001.87, 2,690,111.27 and 1,407,209.24

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Solution

The fourth proportional to 1,952,001.87, 2,690,111.27 and 1,407,209.24 is: 1,939,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952,001.87 : 2,690,111.27 = 1,407,209.24 : x
  2. Step 2: Convert to fraction form
    1,952,001.87/2,690,111.27 = 1,407,209.24/x
  3. Step 3: Cross multiply
    1,952,001.87x = 2,690,111.27 × 1,407,209.24
  4. Step 4: Simplify right side
    1,952,001.87x = 3,785,549,415,285.53
  5. Step 5: Solve for x
    x = 3,785,549,415,285.53/1,952,001.87
  6. Step 6: Final answer
    x = 1,939,316.49

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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.