Home / 4,752,001.20-7,128,001.80-1,556,356.80

Finding the Fourth Proportional to 4,752,001.20, 7,128,001.80 and 1,556,356.80

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Solution

The fourth proportional to 4,752,001.20, 7,128,001.80 and 1,556,356.80 is: 2,334,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,001.20 : 7,128,001.80 = 1,556,356.80 : x
  2. Step 2: Convert to fraction form
    4,752,001.20/7,128,001.80 = 1,556,356.80/x
  3. Step 3: Cross multiply
    4,752,001.20x = 7,128,001.80 × 1,556,356.80
  4. Step 4: Simplify right side
    4,752,001.20x = 11,093,714,071,842.24
  5. Step 5: Solve for x
    x = 11,093,714,071,842.24/4,752,001.20
  6. Step 6: Final answer
    x = 2,334,535.20

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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.