Home / 3,307,896.56-4,961,830.95-1,287,549.38

Finding the Fourth Proportional to 3,307,896.56, 4,961,830.95 and 1,287,549.38

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Solution

The fourth proportional to 3,307,896.56, 4,961,830.95 and 1,287,549.38 is: 1,931,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307,896.56 : 4,961,830.95 = 1,287,549.38 : x
  2. Step 2: Convert to fraction form
    3,307,896.56/4,961,830.95 = 1,287,549.38/x
  3. Step 3: Cross multiply
    3,307,896.56x = 4,961,830.95 × 1,287,549.38
  4. Step 4: Simplify right side
    3,307,896.56x = 6,388,602,338,528.16
  5. Step 5: Solve for x
    x = 6,388,602,338,528.16/3,307,896.56
  6. Step 6: Final answer
    x = 1,931,318.66

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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.