Home / 1,913,947.96-2,641,358.36-1,098,144.08

Finding the Fourth Proportional to 1,913,947.96, 2,641,358.36 and 1,098,144.08

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Solution

The fourth proportional to 1,913,947.96, 2,641,358.36 and 1,098,144.08 is: 1,515,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,947.96 : 2,641,358.36 = 1,098,144.08 : x
  2. Step 2: Convert to fraction form
    1,913,947.96/2,641,358.36 = 1,098,144.08/x
  3. Step 3: Cross multiply
    1,913,947.96x = 2,641,358.36 × 1,098,144.08
  4. Step 4: Simplify right side
    1,913,947.96x = 2,900,592,046,192.51
  5. Step 5: Solve for x
    x = 2,900,592,046,192.51/1,913,947.96
  6. Step 6: Final answer
    x = 1,515,502.04

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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.