Home / 1,728,000.45-2,592,000.68-1,681,344.45

Finding the Fourth Proportional to 1,728,000.45, 2,592,000.68 and 1,681,344.45

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Solution

The fourth proportional to 1,728,000.45, 2,592,000.68 and 1,681,344.45 is: 2,522,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,000.45 : 2,592,000.68 = 1,681,344.45 : x
  2. Step 2: Convert to fraction form
    1,728,000.45/2,592,000.68 = 1,681,344.45/x
  3. Step 3: Cross multiply
    1,728,000.45x = 2,592,000.68 × 1,681,344.45
  4. Step 4: Simplify right side
    1,728,000.45x = 4,358,045,949,307.50
  5. Step 5: Solve for x
    x = 4,358,045,949,307.50/1,728,000.45
  6. Step 6: Final answer
    x = 2,522,016.68

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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.