Home / 2,412,038.40-3,618,057.60-639,110.40

Finding the Fourth Proportional to 2,412,038.40, 3,618,057.60 and 639,110.40

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Solution

The fourth proportional to 2,412,038.40, 3,618,057.60 and 639,110.40 is: 958,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412,038.40 : 3,618,057.60 = 639,110.40 : x
  2. Step 2: Convert to fraction form
    2,412,038.40/3,618,057.60 = 639,110.40/x
  3. Step 3: Cross multiply
    2,412,038.40x = 3,618,057.60 × 639,110.40
  4. Step 4: Simplify right side
    2,412,038.40x = 2,312,338,239,959.04
  5. Step 5: Solve for x
    x = 2,312,338,239,959.04/2,412,038.40
  6. Step 6: Final answer
    x = 958,665.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.