Home / 4,752,289.80-7,128,434.70-1,557,520.20

Finding the Fourth Proportional to 4,752,289.80, 7,128,434.70 and 1,557,520.20

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Solution

The fourth proportional to 4,752,289.80, 7,128,434.70 and 1,557,520.20 is: 2,336,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,289.80 : 7,128,434.70 = 1,557,520.20 : x
  2. Step 2: Convert to fraction form
    4,752,289.80/7,128,434.70 = 1,557,520.20/x
  3. Step 3: Cross multiply
    4,752,289.80x = 7,128,434.70 × 1,557,520.20
  4. Step 4: Simplify right side
    4,752,289.80x = 11,102,681,039,630.94
  5. Step 5: Solve for x
    x = 11,102,681,039,630.94/4,752,289.80
  6. Step 6: Final answer
    x = 2,336,280.30

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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.