Home / 5,126,123.58-7,073,972.80-2,803,023.51

Finding the Fourth Proportional to 5,126,123.58, 7,073,972.80 and 2,803,023.51

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Solution

The fourth proportional to 5,126,123.58, 7,073,972.80 and 2,803,023.51 is: 3,868,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126,123.58 : 7,073,972.80 = 2,803,023.51 : x
  2. Step 2: Convert to fraction form
    5,126,123.58/7,073,972.80 = 2,803,023.51/x
  3. Step 3: Cross multiply
    5,126,123.58x = 7,073,972.80 × 2,803,023.51
  4. Step 4: Simplify right side
    5,126,123.58x = 19,828,512,067,500.53
  5. Step 5: Solve for x
    x = 19,828,512,067,500.53/5,126,123.58
  6. Step 6: Final answer
    x = 3,868,129.93

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1.5x scale

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.