Home / 3,237,387.80-4,860,018.30-1,639,128.20

Finding the Fourth Proportional to 3,237,387.80, 4,860,018.30 and 1,639,128.20

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Solution

The fourth proportional to 3,237,387.80, 4,860,018.30 and 1,639,128.20 is: 2,460,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237,387.80 : 4,860,018.30 = 1,639,128.20 : x
  2. Step 2: Convert to fraction form
    3,237,387.80/4,860,018.30 = 1,639,128.20/x
  3. Step 3: Cross multiply
    3,237,387.80x = 4,860,018.30 × 1,639,128.20
  4. Step 4: Simplify right side
    3,237,387.80x = 7,966,193,048,046.06
  5. Step 5: Solve for x
    x = 7,966,193,048,046.06/3,237,387.80
  6. Step 6: Final answer
    x = 2,460,685.45

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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.