Home / 6,400,950.96-8,835,536.76-3,685,779.12

Finding the Fourth Proportional to 6,400,950.96, 8,835,536.76 and 3,685,779.12

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Solution

The fourth proportional to 6,400,950.96, 8,835,536.76 and 3,685,779.12 is: 5,087,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400,950.96 : 8,835,536.76 = 3,685,779.12 : x
  2. Step 2: Convert to fraction form
    6,400,950.96/8,835,536.76 = 3,685,779.12/x
  3. Step 3: Cross multiply
    6,400,950.96x = 8,835,536.76 × 3,685,779.12
  4. Step 4: Simplify right side
    6,400,950.96x = 32,565,836,904,000.45
  5. Step 5: Solve for x
    x = 32,565,836,904,000.45/6,400,950.96
  6. Step 6: Final answer
    x = 5,087,656.05

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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.