Home / 4,872,694.40-7,309,041.60-2,175,977.60

Finding the Fourth Proportional to 4,872,694.40, 7,309,041.60 and 2,175,977.60

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Solution

The fourth proportional to 4,872,694.40, 7,309,041.60 and 2,175,977.60 is: 3,263,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872,694.40 : 7,309,041.60 = 2,175,977.60 : x
  2. Step 2: Convert to fraction form
    4,872,694.40/7,309,041.60 = 2,175,977.60/x
  3. Step 3: Cross multiply
    4,872,694.40x = 7,309,041.60 × 2,175,977.60
  4. Step 4: Simplify right side
    4,872,694.40x = 15,904,310,799,068.16
  5. Step 5: Solve for x
    x = 15,904,310,799,068.16/4,872,694.40
  6. Step 6: Final answer
    x = 3,263,966.40

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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.