Home / 1,947,271.28-2,921,239.06-868,175.40

Finding the Fourth Proportional to 1,947,271.28, 2,921,239.06 and 868,175.40

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Solution

The fourth proportional to 1,947,271.28, 2,921,239.06 and 868,175.40 is: 1,302,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,271.28 : 2,921,239.06 = 868,175.40 : x
  2. Step 2: Convert to fraction form
    1,947,271.28/2,921,239.06 = 868,175.40/x
  3. Step 3: Cross multiply
    1,947,271.28x = 2,921,239.06 × 868,175.40
  4. Step 4: Simplify right side
    1,947,271.28x = 2,536,147,889,411.12
  5. Step 5: Solve for x
    x = 2,536,147,889,411.12/1,947,271.28
  6. Step 6: Final answer
    x = 1,302,411.18

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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.