Home / 6,448,105.86-8,898,385.78-3,547,434.46

Finding the Fourth Proportional to 6,448,105.86, 8,898,385.78 and 3,547,434.46

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Solution

The fourth proportional to 6,448,105.86, 8,898,385.78 and 3,547,434.46 is: 4,895,459.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448,105.86 : 8,898,385.78 = 3,547,434.46 : x
  2. Step 2: Convert to fraction form
    6,448,105.86/8,898,385.78 = 3,547,434.46/x
  3. Step 3: Cross multiply
    6,448,105.86x = 8,898,385.78 × 3,547,434.46
  4. Step 4: Simplify right side
    6,448,105.86x = 31,566,440,309,854.05
  5. Step 5: Solve for x
    x = 31,566,440,309,854.05/6,448,105.86
  6. Step 6: Final answer
    x = 4,895,459.38

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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.