Home / 1,875,221.65-2,587,818.27-1,015,781.89

Finding the Fourth Proportional to 1,875,221.65, 2,587,818.27 and 1,015,781.89

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Solution

The fourth proportional to 1,875,221.65, 2,587,818.27 and 1,015,781.89 is: 1,401,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,221.65 : 2,587,818.27 = 1,015,781.89 : x
  2. Step 2: Convert to fraction form
    1,875,221.65/2,587,818.27 = 1,015,781.89/x
  3. Step 3: Cross multiply
    1,875,221.65x = 2,587,818.27 × 1,015,781.89
  4. Step 4: Simplify right side
    1,875,221.65x = 2,628,658,933,277.13
  5. Step 5: Solve for x
    x = 2,628,658,933,277.13/1,875,221.65
  6. Step 6: Final answer
    x = 1,401,785.72

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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.