Home / 4,155,616.40-6,234,007.80-1,315,432.40

Finding the Fourth Proportional to 4,155,616.40, 6,234,007.80 and 1,315,432.40

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Solution

The fourth proportional to 4,155,616.40, 6,234,007.80 and 1,315,432.40 is: 1,973,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155,616.40 : 6,234,007.80 = 1,315,432.40 : x
  2. Step 2: Convert to fraction form
    4,155,616.40/6,234,007.80 = 1,315,432.40/x
  3. Step 3: Cross multiply
    4,155,616.40x = 6,234,007.80 × 1,315,432.40
  4. Step 4: Simplify right side
    4,155,616.40x = 8,200,415,841,972.72
  5. Step 5: Solve for x
    x = 8,200,415,841,972.72/4,155,616.40
  6. Step 6: Final answer
    x = 1,973,333.21

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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.