Home / 5,152,423.10-7,728,634.65-1,786,970.30

Finding the Fourth Proportional to 5,152,423.10, 7,728,634.65 and 1,786,970.30

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Solution

The fourth proportional to 5,152,423.10, 7,728,634.65 and 1,786,970.30 is: 2,680,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152,423.10 : 7,728,634.65 = 1,786,970.30 : x
  2. Step 2: Convert to fraction form
    5,152,423.10/7,728,634.65 = 1,786,970.30/x
  3. Step 3: Cross multiply
    5,152,423.10x = 7,728,634.65 × 1,786,970.30
  4. Step 4: Simplify right side
    5,152,423.10x = 13,810,840,579,100.90
  5. Step 5: Solve for x
    x = 13,810,840,579,100.90/5,152,423.10
  6. Step 6: Final answer
    x = 2,680,455.45

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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.