Home / 5,120,884.46-7,679,637.81-1,708,230.62

Finding the Fourth Proportional to 5,120,884.46, 7,679,637.81 and 1,708,230.62

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Solution

The fourth proportional to 5,120,884.46, 7,679,637.81 and 1,708,230.62 is: 2,561,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,884.46 : 7,679,637.81 = 1,708,230.62 : x
  2. Step 2: Convert to fraction form
    5,120,884.46/7,679,637.81 = 1,708,230.62/x
  3. Step 3: Cross multiply
    5,120,884.46x = 7,679,637.81 × 1,708,230.62
  4. Step 4: Simplify right side
    5,120,884.46x = 13,118,592,457,551.74
  5. Step 5: Solve for x
    x = 13,118,592,457,551.74/5,120,884.46
  6. Step 6: Final answer
    x = 2,561,782.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.