Home / 1,980,668.55-2,967,558.30-913,521.90

Finding the Fourth Proportional to 1,980,668.55, 2,967,558.30 and 913,521.90

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Solution

The fourth proportional to 1,980,668.55, 2,967,558.30 and 913,521.90 is: 1,368,694.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,668.55 : 2,967,558.30 = 913,521.90 : x
  2. Step 2: Convert to fraction form
    1,980,668.55/2,967,558.30 = 913,521.90/x
  3. Step 3: Cross multiply
    1,980,668.55x = 2,967,558.30 × 913,521.90
  4. Step 4: Simplify right side
    1,980,668.55x = 2,710,929,496,576.77
  5. Step 5: Solve for x
    x = 2,710,929,496,576.77/1,980,668.55
  6. Step 6: Final answer
    x = 1,368,694.17

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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.