Home / 4,087,686.42-5,640,737.22-2,455,123.68

Finding the Fourth Proportional to 4,087,686.42, 5,640,737.22 and 2,455,123.68

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Solution

The fourth proportional to 4,087,686.42, 5,640,737.22 and 2,455,123.68 is: 3,387,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087,686.42 : 5,640,737.22 = 2,455,123.68 : x
  2. Step 2: Convert to fraction form
    4,087,686.42/5,640,737.22 = 2,455,123.68/x
  3. Step 3: Cross multiply
    4,087,686.42x = 5,640,737.22 × 2,455,123.68
  4. Step 4: Simplify right side
    4,087,686.42x = 13,848,707,521,479.37
  5. Step 5: Solve for x
    x = 13,848,707,521,479.37/4,087,686.42
  6. Step 6: Final answer
    x = 3,387,908.49

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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.