Home / 1,887,024.79-2,604,068.29-1,071,221.35

Finding the Fourth Proportional to 1,887,024.79, 2,604,068.29 and 1,071,221.35

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Solution

The fourth proportional to 1,887,024.79, 2,604,068.29 and 1,071,221.35 is: 1,478,270.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,024.79 : 2,604,068.29 = 1,071,221.35 : x
  2. Step 2: Convert to fraction form
    1,887,024.79/2,604,068.29 = 1,071,221.35/x
  3. Step 3: Cross multiply
    1,887,024.79x = 2,604,068.29 × 1,071,221.35
  4. Step 4: Simplify right side
    1,887,024.79x = 2,789,533,549,105.99
  5. Step 5: Solve for x
    x = 2,789,533,549,105.99/1,887,024.79
  6. Step 6: Final answer
    x = 1,478,270.75

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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.