Home / 2,038,689.76-3,057,956.88-618,688.48

Finding the Fourth Proportional to 2,038,689.76, 3,057,956.88 and 618,688.48

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Solution

The fourth proportional to 2,038,689.76, 3,057,956.88 and 618,688.48 is: 928,009.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038,689.76 : 3,057,956.88 = 618,688.48 : x
  2. Step 2: Convert to fraction form
    2,038,689.76/3,057,956.88 = 618,688.48/x
  3. Step 3: Cross multiply
    2,038,689.76x = 3,057,956.88 × 618,688.48
  4. Step 4: Simplify right side
    2,038,689.76x = 1,891,922,693,992.74
  5. Step 5: Solve for x
    x = 1,891,922,693,992.74/2,038,689.76
  6. Step 6: Final answer
    x = 928,009.12

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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.