Home / 2,176,746.72-3,003,449.52-1,317,139.68

Finding the Fourth Proportional to 2,176,746.72, 3,003,449.52 and 1,317,139.68

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Solution

The fourth proportional to 2,176,746.72, 3,003,449.52 and 1,317,139.68 is: 1,817,373.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,746.72 : 3,003,449.52 = 1,317,139.68 : x
  2. Step 2: Convert to fraction form
    2,176,746.72/3,003,449.52 = 1,317,139.68/x
  3. Step 3: Cross multiply
    2,176,746.72x = 3,003,449.52 × 1,317,139.68
  4. Step 4: Simplify right side
    2,176,746.72x = 3,955,962,539,668.95
  5. Step 5: Solve for x
    x = 3,955,962,539,668.95/2,176,746.72
  6. Step 6: Final answer
    x = 1,817,373.84

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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.