Home / 6,448,172.88-8,898,478.92-3,547,501.68

Finding the Fourth Proportional to 6,448,172.88, 8,898,478.92 and 3,547,501.68

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Solution

The fourth proportional to 6,448,172.88, 8,898,478.92 and 3,547,501.68 is: 4,895,552.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448,172.88 : 8,898,478.92 = 3,547,501.68 : x
  2. Step 2: Convert to fraction form
    6,448,172.88/8,898,478.92 = 3,547,501.68/x
  3. Step 3: Cross multiply
    6,448,172.88x = 8,898,478.92 × 3,547,501.68
  4. Step 4: Simplify right side
    6,448,172.88x = 31,567,368,918,144.59
  5. Step 5: Solve for x
    x = 31,567,368,918,144.59/6,448,172.88
  6. Step 6: Final answer
    x = 4,895,552.51

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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.