Home / 4,519,368.52-6,779,421.84-2,121,905.31

Finding the Fourth Proportional to 4,519,368.52, 6,779,421.84 and 2,121,905.31

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Solution

The fourth proportional to 4,519,368.52, 6,779,421.84 and 2,121,905.31 is: 3,183,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519,368.52 : 6,779,421.84 = 2,121,905.31 : x
  2. Step 2: Convert to fraction form
    4,519,368.52/6,779,421.84 = 2,121,905.31/x
  3. Step 3: Cross multiply
    4,519,368.52x = 6,779,421.84 × 2,121,905.31
  4. Step 4: Simplify right side
    4,519,368.52x = 14,385,291,215,726.67
  5. Step 5: Solve for x
    x = 14,385,291,215,726.67/4,519,368.52
  6. Step 6: Final answer
    x = 3,183,031.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.