Home / 2,762,856.76-3,811,731.04-1,674,343.12

Finding the Fourth Proportional to 2,762,856.76, 3,811,731.04 and 1,674,343.12

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Solution

The fourth proportional to 2,762,856.76, 3,811,731.04 and 1,674,343.12 is: 2,309,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762,856.76 : 3,811,731.04 = 1,674,343.12 : x
  2. Step 2: Convert to fraction form
    2,762,856.76/3,811,731.04 = 1,674,343.12/x
  3. Step 3: Cross multiply
    2,762,856.76x = 3,811,731.04 × 1,674,343.12
  4. Step 4: Simplify right side
    2,762,856.76x = 6,382,145,642,114.45
  5. Step 5: Solve for x
    x = 6,382,145,642,114.45/2,762,856.76
  6. Step 6: Final answer
    x = 2,309,980.65

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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.