Home / 1,887,207.85-2,604,456.21-1,421,227.27

Finding the Fourth Proportional to 1,887,207.85, 2,604,456.21 and 1,421,227.27

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Solution

The fourth proportional to 1,887,207.85, 2,604,456.21 and 1,421,227.27 is: 1,961,376.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,207.85 : 2,604,456.21 = 1,421,227.27 : x
  2. Step 2: Convert to fraction form
    1,887,207.85/2,604,456.21 = 1,421,227.27/x
  3. Step 3: Cross multiply
    1,887,207.85x = 2,604,456.21 × 1,421,227.27
  4. Step 4: Simplify right side
    1,887,207.85x = 3,701,524,189,172.85
  5. Step 5: Solve for x
    x = 3,701,524,189,172.85/1,887,207.85
  6. Step 6: Final answer
    x = 1,961,376.00

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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.