Home / 5,509,981.20-8,266,138.20-1,671,488.40

Finding the Fourth Proportional to 5,509,981.20, 8,266,138.20 and 1,671,488.40

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Solution

The fourth proportional to 5,509,981.20, 8,266,138.20 and 1,671,488.40 is: 2,507,586.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509,981.20 : 8,266,138.20 = 1,671,488.40 : x
  2. Step 2: Convert to fraction form
    5,509,981.20/8,266,138.20 = 1,671,488.40/x
  3. Step 3: Cross multiply
    5,509,981.20x = 8,266,138.20 × 1,671,488.40
  4. Step 4: Simplify right side
    5,509,981.20x = 13,816,754,114,096.88
  5. Step 5: Solve for x
    x = 13,816,754,114,096.88/5,509,981.20
  6. Step 6: Final answer
    x = 2,507,586.43

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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.