Home / 5,487,343.79-8,231,441.54-1,648,866.58

Finding the Fourth Proportional to 5,487,343.79, 8,231,441.54 and 1,648,866.58

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Solution

The fourth proportional to 5,487,343.79, 8,231,441.54 and 1,648,866.58 is: 2,473,427.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487,343.79 : 8,231,441.54 = 1,648,866.58 : x
  2. Step 2: Convert to fraction form
    5,487,343.79/8,231,441.54 = 1,648,866.58/x
  3. Step 3: Cross multiply
    5,487,343.79x = 8,231,441.54 × 1,648,866.58
  4. Step 4: Simplify right side
    5,487,343.79x = 13,572,548,831,706.79
  5. Step 5: Solve for x
    x = 13,572,548,831,706.79/5,487,343.79
  6. Step 6: Final answer
    x = 2,473,427.83

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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.