Home / 6,457,741.22-8,911,682.88-3,557,123.12

Finding the Fourth Proportional to 6,457,741.22, 8,911,682.88 and 3,557,123.12

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Solution

The fourth proportional to 6,457,741.22, 8,911,682.88 and 3,557,123.12 is: 4,908,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,741.22 : 8,911,682.88 = 3,557,123.12 : x
  2. Step 2: Convert to fraction form
    6,457,741.22/8,911,682.88 = 3,557,123.12/x
  3. Step 3: Cross multiply
    6,457,741.22x = 8,911,682.88 × 3,557,123.12
  4. Step 4: Simplify right side
    6,457,741.22x = 31,699,953,165,997.78
  5. Step 5: Solve for x
    x = 31,699,953,165,997.78/6,457,741.22
  6. Step 6: Final answer
    x = 4,908,829.90

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1.5x scale

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.