Home / 2,866,709.16-3,956,221.98-1,643,218.20

Finding the Fourth Proportional to 2,866,709.16, 3,956,221.98 and 1,643,218.20

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Solution

The fourth proportional to 2,866,709.16, 3,956,221.98 and 1,643,218.20 is: 2,267,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866,709.16 : 3,956,221.98 = 1,643,218.20 : x
  2. Step 2: Convert to fraction form
    2,866,709.16/3,956,221.98 = 1,643,218.20/x
  3. Step 3: Cross multiply
    2,866,709.16x = 3,956,221.98 × 1,643,218.20
  4. Step 4: Simplify right side
    2,866,709.16x = 6,500,935,960,776.04
  5. Step 5: Solve for x
    x = 6,500,935,960,776.04/2,866,709.16
  6. Step 6: Final answer
    x = 2,267,734.74

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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.