Home / 3,141,531.80-4,710,915.30-1,247,643.80

Finding the Fourth Proportional to 3,141,531.80, 4,710,915.30 and 1,247,643.80

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Solution

The fourth proportional to 3,141,531.80, 4,710,915.30 and 1,247,643.80 is: 1,870,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,531.80 : 4,710,915.30 = 1,247,643.80 : x
  2. Step 2: Convert to fraction form
    3,141,531.80/4,710,915.30 = 1,247,643.80/x
  3. Step 3: Cross multiply
    3,141,531.80x = 4,710,915.30 × 1,247,643.80
  4. Step 4: Simplify right side
    3,141,531.80x = 5,877,544,266,370.14
  5. Step 5: Solve for x
    x = 5,877,544,266,370.14/3,141,531.80
  6. Step 6: Final answer
    x = 1,870,916.69

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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.