Home / 2,991,230.16-4,487,436.90-1,097,988

Finding the Fourth Proportional to 2,991,230.16, 4,487,436.90 and 1,097,988

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Solution

The fourth proportional to 2,991,230.16, 4,487,436.90 and 1,097,988 is: 1,647,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,230.16 : 4,487,436.90 = 1,097,988 : x
  2. Step 2: Convert to fraction form
    2,991,230.16/4,487,436.90 = 1,097,988/x
  3. Step 3: Cross multiply
    2,991,230.16x = 4,487,436.90 × 1,097,988
  4. Step 4: Simplify right side
    2,991,230.16x = 4,927,151,866,957.20
  5. Step 5: Solve for x
    x = 4,927,151,866,957.20/2,991,230.16
  6. Step 6: Final answer
    x = 1,647,199.18

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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.