Home / 2,787,123.80-4,158,378.19-2,484,005.60

Finding the Fourth Proportional to 2,787,123.80, 4,158,378.19 and 2,484,005.60

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Solution

The fourth proportional to 2,787,123.80, 4,158,378.19 and 2,484,005.60 is: 3,706,126.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,123.80 : 4,158,378.19 = 2,484,005.60 : x
  2. Step 2: Convert to fraction form
    2,787,123.80/4,158,378.19 = 2,484,005.60/x
  3. Step 3: Cross multiply
    2,787,123.80x = 4,158,378.19 × 2,484,005.60
  4. Step 4: Simplify right side
    2,787,123.80x = 10,329,434,710,877.86
  5. Step 5: Solve for x
    x = 10,329,434,710,877.86/2,787,123.80
  6. Step 6: Final answer
    x = 3,706,126.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.