Home / 5,148,123.23-7,104,410.93-2,856,278.45

Finding the Fourth Proportional to 5,148,123.23, 7,104,410.93 and 2,856,278.45

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Solution

The fourth proportional to 5,148,123.23, 7,104,410.93 and 2,856,278.45 is: 3,941,664.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,123.23 : 7,104,410.93 = 2,856,278.45 : x
  2. Step 2: Convert to fraction form
    5,148,123.23/7,104,410.93 = 2,856,278.45/x
  3. Step 3: Cross multiply
    5,148,123.23x = 7,104,410.93 × 2,856,278.45
  4. Step 4: Simplify right side
    5,148,123.23x = 20,292,175,839,303.46
  5. Step 5: Solve for x
    x = 20,292,175,839,303.46/5,148,123.23
  6. Step 6: Final answer
    x = 3,941,664.75

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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.