Home / 3,023,521.81-4,172,465.87-1,646,861.26

Finding the Fourth Proportional to 3,023,521.81, 4,172,465.87 and 1,646,861.26

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Solution

The fourth proportional to 3,023,521.81, 4,172,465.87 and 1,646,861.26 is: 2,272,671.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023,521.81 : 4,172,465.87 = 1,646,861.26 : x
  2. Step 2: Convert to fraction form
    3,023,521.81/4,172,465.87 = 1,646,861.26/x
  3. Step 3: Cross multiply
    3,023,521.81x = 4,172,465.87 × 1,646,861.26
  4. Step 4: Simplify right side
    3,023,521.81x = 6,871,472,399,975.20
  5. Step 5: Solve for x
    x = 6,871,472,399,975.20/3,023,521.81
  6. Step 6: Final answer
    x = 2,272,671.68

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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.