Home / 4,272,442.88-6,409,712.64-1,280,624

Finding the Fourth Proportional to 4,272,442.88, 6,409,712.64 and 1,280,624

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Solution

The fourth proportional to 4,272,442.88, 6,409,712.64 and 1,280,624 is: 1,921,250.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272,442.88 : 6,409,712.64 = 1,280,624 : x
  2. Step 2: Convert to fraction form
    4,272,442.88/6,409,712.64 = 1,280,624/x
  3. Step 3: Cross multiply
    4,272,442.88x = 6,409,712.64 × 1,280,624
  4. Step 4: Simplify right side
    4,272,442.88x = 8,208,431,839,887.36
  5. Step 5: Solve for x
    x = 8,208,431,839,887.36/4,272,442.88
  6. Step 6: Final answer
    x = 1,921,250.22

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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.