Home / 2,175,547.22-3,002,079.16-1,257,835.25

Finding the Fourth Proportional to 2,175,547.22, 3,002,079.16 and 1,257,835.25

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Solution

The fourth proportional to 2,175,547.22, 3,002,079.16 and 1,257,835.25 is: 1,735,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,547.22 : 3,002,079.16 = 1,257,835.25 : x
  2. Step 2: Convert to fraction form
    2,175,547.22/3,002,079.16 = 1,257,835.25/x
  3. Step 3: Cross multiply
    2,175,547.22x = 3,002,079.16 × 1,257,835.25
  4. Step 4: Simplify right side
    2,175,547.22x = 3,776,120,990,738.39
  5. Step 5: Solve for x
    x = 3,776,120,990,738.39/2,175,547.22
  6. Step 6: Final answer
    x = 1,735,710.89

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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.