Home / 2,177,586-3,005,068.68-1,223,730

Finding the Fourth Proportional to 2,177,586, 3,005,068.68 and 1,223,730

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Solution

The fourth proportional to 2,177,586, 3,005,068.68 and 1,223,730 is: 1,688,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,586 : 3,005,068.68 = 1,223,730 : x
  2. Step 2: Convert to fraction form
    2,177,586/3,005,068.68 = 1,223,730/x
  3. Step 3: Cross multiply
    2,177,586x = 3,005,068.68 × 1,223,730
  4. Step 4: Simplify right side
    2,177,586x = 3,677,392,695,776.40
  5. Step 5: Solve for x
    x = 3,677,392,695,776.40/2,177,586
  6. Step 6: Final answer
    x = 1,688,747.40

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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.