Home / 4,928,046.40-7,399,672.80-2,688,558.40

Finding the Fourth Proportional to 4,928,046.40, 7,399,672.80 and 2,688,558.40

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Solution

The fourth proportional to 4,928,046.40, 7,399,672.80 and 2,688,558.40 is: 4,036,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928,046.40 : 7,399,672.80 = 2,688,558.40 : x
  2. Step 2: Convert to fraction form
    4,928,046.40/7,399,672.80 = 2,688,558.40/x
  3. Step 3: Cross multiply
    4,928,046.40x = 7,399,672.80 × 2,688,558.40
  4. Step 4: Simplify right side
    4,928,046.40x = 19,894,452,463,691.52
  5. Step 5: Solve for x
    x = 19,894,452,463,691.52/4,928,046.40
  6. Step 6: Final answer
    x = 4,036,985.62

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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.