Home / 7,124,839.20-10,687,258.80-2,076,314.40

Finding the Fourth Proportional to 7,124,839.20, 10,687,258.80 and 2,076,314.40

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Solution

The fourth proportional to 7,124,839.20, 10,687,258.80 and 2,076,314.40 is: 3,114,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124,839.20 : 10,687,258.80 = 2,076,314.40 : x
  2. Step 2: Convert to fraction form
    7,124,839.20/10,687,258.80 = 2,076,314.40/x
  3. Step 3: Cross multiply
    7,124,839.20x = 10,687,258.80 × 2,076,314.40
  4. Step 4: Simplify right side
    7,124,839.20x = 22,190,109,342,966.72
  5. Step 5: Solve for x
    x = 22,190,109,342,966.72/7,124,839.20
  6. Step 6: Final answer
    x = 3,114,471.60

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1.5x scale

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.