Home / 1,871,582.38-2,807,373.84-451,638.46

Finding the Fourth Proportional to 1,871,582.38, 2,807,373.84 and 451,638.46

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Solution

The fourth proportional to 1,871,582.38, 2,807,373.84 and 451,638.46 is: 677,457.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,582.38 : 2,807,373.84 = 451,638.46 : x
  2. Step 2: Convert to fraction form
    1,871,582.38/2,807,373.84 = 451,638.46/x
  3. Step 3: Cross multiply
    1,871,582.38x = 2,807,373.84 × 451,638.46
  4. Step 4: Simplify right side
    1,871,582.38x = 1,267,917,991,661.72
  5. Step 5: Solve for x
    x = 1,267,917,991,661.72/1,871,582.38
  6. Step 6: Final answer
    x = 677,457.75

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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.