Home / 4,256,948.80-6,385,423.20-2,981,490.40

Finding the Fourth Proportional to 4,256,948.80, 6,385,423.20 and 2,981,490.40

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Solution

The fourth proportional to 4,256,948.80, 6,385,423.20 and 2,981,490.40 is: 4,472,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256,948.80 : 6,385,423.20 = 2,981,490.40 : x
  2. Step 2: Convert to fraction form
    4,256,948.80/6,385,423.20 = 2,981,490.40/x
  3. Step 3: Cross multiply
    4,256,948.80x = 6,385,423.20 × 2,981,490.40
  4. Step 4: Simplify right side
    4,256,948.80x = 19,038,077,970,737.28
  5. Step 5: Solve for x
    x = 19,038,077,970,737.28/4,256,948.80
  6. Step 6: Final answer
    x = 4,472,235.60

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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.