Home / 1,666,806.66-2,300,180.76-941,641.20

Finding the Fourth Proportional to 1,666,806.66, 2,300,180.76 and 941,641.20

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Solution

The fourth proportional to 1,666,806.66, 2,300,180.76 and 941,641.20 is: 1,299,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,806.66 : 2,300,180.76 = 941,641.20 : x
  2. Step 2: Convert to fraction form
    1,666,806.66/2,300,180.76 = 941,641.20/x
  3. Step 3: Cross multiply
    1,666,806.66x = 2,300,180.76 × 941,641.20
  4. Step 4: Simplify right side
    1,666,806.66x = 2,165,944,971,063.31
  5. Step 5: Solve for x
    x = 2,165,944,971,063.31/1,666,806.66
  6. Step 6: Final answer
    x = 1,299,457.83

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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.