Home / 6,448,170.88-8,898,476.16-3,547,499.68

Finding the Fourth Proportional to 6,448,170.88, 8,898,476.16 and 3,547,499.68

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Solution

The fourth proportional to 6,448,170.88, 8,898,476.16 and 3,547,499.68 is: 4,895,549.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448,170.88 : 8,898,476.16 = 3,547,499.68 : x
  2. Step 2: Convert to fraction form
    6,448,170.88/8,898,476.16 = 3,547,499.68/x
  3. Step 3: Cross multiply
    6,448,170.88x = 8,898,476.16 × 3,547,499.68
  4. Step 4: Simplify right side
    6,448,170.88x = 31,567,341,330,087.63
  5. Step 5: Solve for x
    x = 31,567,341,330,087.63/6,448,170.88
  6. Step 6: Final answer
    x = 4,895,549.75

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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.