Home / 1,980,033.90-2,968,082.55-913,215.30

Finding the Fourth Proportional to 1,980,033.90, 2,968,082.55 and 913,215.30

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Solution

The fourth proportional to 1,980,033.90, 2,968,082.55 and 913,215.30 is: 1,368,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,033.90 : 2,968,082.55 = 913,215.30 : x
  2. Step 2: Convert to fraction form
    1,980,033.90/2,968,082.55 = 913,215.30/x
  3. Step 3: Cross multiply
    1,980,033.90x = 2,968,082.55 × 913,215.30
  4. Step 4: Simplify right side
    1,980,033.90x = 2,710,498,396,323.02
  5. Step 5: Solve for x
    x = 2,710,498,396,323.02/1,980,033.90
  6. Step 6: Final answer
    x = 1,368,915.15

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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.