Home / 1,887,275.28-2,604,548.82-1,421,294.80

Finding the Fourth Proportional to 1,887,275.28, 2,604,548.82 and 1,421,294.80

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Solution

The fourth proportional to 1,887,275.28, 2,604,548.82 and 1,421,294.80 is: 1,961,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,275.28 : 2,604,548.82 = 1,421,294.80 : x
  2. Step 2: Convert to fraction form
    1,887,275.28/2,604,548.82 = 1,421,294.80/x
  3. Step 3: Cross multiply
    1,887,275.28x = 2,604,548.82 × 1,421,294.80
  4. Step 4: Simplify right side
    1,887,275.28x = 3,701,831,694,212.14
  5. Step 5: Solve for x
    x = 3,701,831,694,212.14/1,887,275.28
  6. Step 6: Final answer
    x = 1,961,468.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.