Home / 1,631,369.59-2,447,038.80-991,849.89

Finding the Fourth Proportional to 1,631,369.59, 2,447,038.80 and 991,849.89

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Solution

The fourth proportional to 1,631,369.59, 2,447,038.80 and 991,849.89 is: 1,487,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,369.59 : 2,447,038.80 = 991,849.89 : x
  2. Step 2: Convert to fraction form
    1,631,369.59/2,447,038.80 = 991,849.89/x
  3. Step 3: Cross multiply
    1,631,369.59x = 2,447,038.80 × 991,849.89
  4. Step 4: Simplify right side
    1,631,369.59x = 2,427,095,173,782.13
  5. Step 5: Solve for x
    x = 2,427,095,173,782.13/1,631,369.59
  6. Step 6: Final answer
    x = 1,487,765.37

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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.