Home / 2,142,738.40-2,957,064.13-1,175,903.52

Finding the Fourth Proportional to 2,142,738.40, 2,957,064.13 and 1,175,903.52

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Solution

The fourth proportional to 2,142,738.40, 2,957,064.13 and 1,175,903.52 is: 1,622,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,738.40 : 2,957,064.13 = 1,175,903.52 : x
  2. Step 2: Convert to fraction form
    2,142,738.40/2,957,064.13 = 1,175,903.52/x
  3. Step 3: Cross multiply
    2,142,738.40x = 2,957,064.13 × 1,175,903.52
  4. Step 4: Simplify right side
    2,142,738.40x = 3,477,222,119,332.74
  5. Step 5: Solve for x
    x = 3,477,222,119,332.74/2,142,738.40
  6. Step 6: Final answer
    x = 1,622,793.58

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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.