Home / 3,137,138.28-4,329,250.44-1,779,011.28

Finding the Fourth Proportional to 3,137,138.28, 4,329,250.44 and 1,779,011.28

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Solution

The fourth proportional to 3,137,138.28, 4,329,250.44 and 1,779,011.28 is: 2,455,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137,138.28 : 4,329,250.44 = 1,779,011.28 : x
  2. Step 2: Convert to fraction form
    3,137,138.28/4,329,250.44 = 1,779,011.28/x
  3. Step 3: Cross multiply
    3,137,138.28x = 4,329,250.44 × 1,779,011.28
  4. Step 4: Simplify right side
    3,137,138.28x = 7,701,785,366,704.96
  5. Step 5: Solve for x
    x = 7,701,785,366,704.96/3,137,138.28
  6. Step 6: Final answer
    x = 2,455,035.35

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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.