Home / 5,256,011.80-7,884,017.70-1,889,781.40

Finding the Fourth Proportional to 5,256,011.80, 7,884,017.70 and 1,889,781.40

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Solution

The fourth proportional to 5,256,011.80, 7,884,017.70 and 1,889,781.40 is: 2,834,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256,011.80 : 7,884,017.70 = 1,889,781.40 : x
  2. Step 2: Convert to fraction form
    5,256,011.80/7,884,017.70 = 1,889,781.40/x
  3. Step 3: Cross multiply
    5,256,011.80x = 7,884,017.70 × 1,889,781.40
  4. Step 4: Simplify right side
    5,256,011.80x = 14,899,070,006,730.78
  5. Step 5: Solve for x
    x = 14,899,070,006,730.78/5,256,011.80
  6. Step 6: Final answer
    x = 2,834,672.10

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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.