Home / 2,636,931.20-3,948,945.74-2,381,340.96

Finding the Fourth Proportional to 2,636,931.20, 3,948,945.74 and 2,381,340.96

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Solution

The fourth proportional to 2,636,931.20, 3,948,945.74 and 2,381,340.96 is: 3,566,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,931.20 : 3,948,945.74 = 2,381,340.96 : x
  2. Step 2: Convert to fraction form
    2,636,931.20/3,948,945.74 = 2,381,340.96/x
  3. Step 3: Cross multiply
    2,636,931.20x = 3,948,945.74 × 2,381,340.96
  4. Step 4: Simplify right side
    2,636,931.20x = 9,403,786,239,479.51
  5. Step 5: Solve for x
    x = 9,403,786,239,479.51/2,636,931.20
  6. Step 6: Final answer
    x = 3,566,185.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.