Home / 1,739,213-2,398,899.78-1,680,689

Finding the Fourth Proportional to 1,739,213, 2,398,899.78 and 1,680,689

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Solution

The fourth proportional to 1,739,213, 2,398,899.78 and 1,680,689 is: 2,318,177.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,213 : 2,398,899.78 = 1,680,689 : x
  2. Step 2: Convert to fraction form
    1,739,213/2,398,899.78 = 1,680,689/x
  3. Step 3: Cross multiply
    1,739,213x = 2,398,899.78 × 1,680,689
  4. Step 4: Simplify right side
    1,739,213x = 4,031,804,472,348.42
  5. Step 5: Solve for x
    x = 4,031,804,472,348.42/1,739,213
  6. Step 6: Final answer
    x = 2,318,177.52

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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.