Home / 3,457,142.60-5,173,904.10-3,031,989.80

Finding the Fourth Proportional to 3,457,142.60, 5,173,904.10 and 3,031,989.80

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Solution

The fourth proportional to 3,457,142.60, 5,173,904.10 and 3,031,989.80 is: 4,537,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457,142.60 : 5,173,904.10 = 3,031,989.80 : x
  2. Step 2: Convert to fraction form
    3,457,142.60/5,173,904.10 = 3,031,989.80/x
  3. Step 3: Cross multiply
    3,457,142.60x = 5,173,904.10 × 3,031,989.80
  4. Step 4: Simplify right side
    3,457,142.60x = 15,687,224,457,378.18
  5. Step 5: Solve for x
    x = 15,687,224,457,378.18/3,457,142.60
  6. Step 6: Final answer
    x = 4,537,627.25

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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.