Home / 5,105,328.30-7,045,701.56-3,119,314.21

Finding the Fourth Proportional to 5,105,328.30, 7,045,701.56 and 3,119,314.21

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Solution

The fourth proportional to 5,105,328.30, 7,045,701.56 and 3,119,314.21 is: 4,304,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,328.30 : 7,045,701.56 = 3,119,314.21 : x
  2. Step 2: Convert to fraction form
    5,105,328.30/7,045,701.56 = 3,119,314.21/x
  3. Step 3: Cross multiply
    5,105,328.30x = 7,045,701.56 × 3,119,314.21
  4. Step 4: Simplify right side
    5,105,328.30x = 21,977,756,985,711.20
  5. Step 5: Solve for x
    x = 21,977,756,985,711.20/5,105,328.30
  6. Step 6: Final answer
    x = 4,304,866.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.