Home / 5,105,321.40-7,045,692.08-3,119,307.36

Finding the Fourth Proportional to 5,105,321.40, 7,045,692.08 and 3,119,307.36

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Solution

The fourth proportional to 5,105,321.40, 7,045,692.08 and 3,119,307.36 is: 4,304,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,321.40 : 7,045,692.08 = 3,119,307.36 : x
  2. Step 2: Convert to fraction form
    5,105,321.40/7,045,692.08 = 3,119,307.36/x
  3. Step 3: Cross multiply
    5,105,321.40x = 7,045,692.08 × 3,119,307.36
  4. Step 4: Simplify right side
    5,105,321.40x = 21,977,679,161,437.71
  5. Step 5: Solve for x
    x = 21,977,679,161,437.71/5,105,321.40
  6. Step 6: Final answer
    x = 4,304,857.12

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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.