Home / 5,240,001.20-7,860,001.80-1,453,521.20

Finding the Fourth Proportional to 5,240,001.20, 7,860,001.80 and 1,453,521.20

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Solution

The fourth proportional to 5,240,001.20, 7,860,001.80 and 1,453,521.20 is: 2,180,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240,001.20 : 7,860,001.80 = 1,453,521.20 : x
  2. Step 2: Convert to fraction form
    5,240,001.20/7,860,001.80 = 1,453,521.20/x
  3. Step 3: Cross multiply
    5,240,001.20x = 7,860,001.80 × 1,453,521.20
  4. Step 4: Simplify right side
    5,240,001.20x = 11,424,679,248,338.16
  5. Step 5: Solve for x
    x = 11,424,679,248,338.16/5,240,001.20
  6. Step 6: Final answer
    x = 2,180,281.80

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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.