Home / 3,953,391.40-5,455,677.54-2,142,555.40

Finding the Fourth Proportional to 3,953,391.40, 5,455,677.54 and 2,142,555.40

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Solution

The fourth proportional to 3,953,391.40, 5,455,677.54 and 2,142,555.40 is: 2,956,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,391.40 : 5,455,677.54 = 2,142,555.40 : x
  2. Step 2: Convert to fraction form
    3,953,391.40/5,455,677.54 = 2,142,555.40/x
  3. Step 3: Cross multiply
    3,953,391.40x = 5,455,677.54 × 2,142,555.40
  4. Step 4: Simplify right side
    3,953,391.40x = 11,689,091,373,985.71
  5. Step 5: Solve for x
    x = 11,689,091,373,985.71/3,953,391.40
  6. Step 6: Final answer
    x = 2,956,725.05

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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.