Home / 4,872,080.64-6,723,231.40-2,779,005.76

Finding the Fourth Proportional to 4,872,080.64, 6,723,231.40 and 2,779,005.76

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Solution

The fourth proportional to 4,872,080.64, 6,723,231.40 and 2,779,005.76 is: 3,834,891.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872,080.64 : 6,723,231.40 = 2,779,005.76 : x
  2. Step 2: Convert to fraction form
    4,872,080.64/6,723,231.40 = 2,779,005.76/x
  3. Step 3: Cross multiply
    4,872,080.64x = 6,723,231.40 × 2,779,005.76
  4. Step 4: Simplify right side
    4,872,080.64x = 18,683,898,786,412.86
  5. Step 5: Solve for x
    x = 18,683,898,786,412.86/4,872,080.64
  6. Step 6: Final answer
    x = 3,834,891.12

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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.