Home / 4,853,820.80-7,280,731.20-1,487,590.40

Finding the Fourth Proportional to 4,853,820.80, 7,280,731.20 and 1,487,590.40

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Solution

The fourth proportional to 4,853,820.80, 7,280,731.20 and 1,487,590.40 is: 2,231,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853,820.80 : 7,280,731.20 = 1,487,590.40 : x
  2. Step 2: Convert to fraction form
    4,853,820.80/7,280,731.20 = 1,487,590.40/x
  3. Step 3: Cross multiply
    4,853,820.80x = 7,280,731.20 × 1,487,590.40
  4. Step 4: Simplify right side
    4,853,820.80x = 10,830,745,838,100.48
  5. Step 5: Solve for x
    x = 10,830,745,838,100.48/4,853,820.80
  6. Step 6: Final answer
    x = 2,231,385.60

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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.