Home / 6,461,779.59-8,917,676.37-3,709,357.88

Finding the Fourth Proportional to 6,461,779.59, 8,917,676.37 and 3,709,357.88

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Solution

The fourth proportional to 6,461,779.59, 8,917,676.37 and 3,709,357.88 is: 5,119,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461,779.59 : 8,917,676.37 = 3,709,357.88 : x
  2. Step 2: Convert to fraction form
    6,461,779.59/8,917,676.37 = 3,709,357.88/x
  3. Step 3: Cross multiply
    6,461,779.59x = 8,917,676.37 × 3,709,357.88
  4. Step 4: Simplify right side
    6,461,779.59x = 33,078,853,069,760.91
  5. Step 5: Solve for x
    x = 33,078,853,069,760.91/6,461,779.59
  6. Step 6: Final answer
    x = 5,119,155.27

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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.