Home / 2,142,267.60-2,956,329.05-1,224,516.36

Finding the Fourth Proportional to 2,142,267.60, 2,956,329.05 and 1,224,516.36

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Solution

The fourth proportional to 2,142,267.60, 2,956,329.05 and 1,224,516.36 is: 1,689,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,267.60 : 2,956,329.05 = 1,224,516.36 : x
  2. Step 2: Convert to fraction form
    2,142,267.60/2,956,329.05 = 1,224,516.36/x
  3. Step 3: Cross multiply
    2,142,267.60x = 2,956,329.05 × 1,224,516.36
  4. Step 4: Simplify right side
    2,142,267.60x = 3,620,073,281,145.68
  5. Step 5: Solve for x
    x = 3,620,073,281,145.68/2,142,267.60
  6. Step 6: Final answer
    x = 1,689,832.44

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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.