Home / 1,871,225.40-2,802,690.90-1,449,132.60

Finding the Fourth Proportional to 1,871,225.40, 2,802,690.90 and 1,449,132.60

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Solution

The fourth proportional to 1,871,225.40, 2,802,690.90 and 1,449,132.60 is: 2,170,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,225.40 : 2,802,690.90 = 1,449,132.60 : x
  2. Step 2: Convert to fraction form
    1,871,225.40/2,802,690.90 = 1,449,132.60/x
  3. Step 3: Cross multiply
    1,871,225.40x = 2,802,690.90 × 1,449,132.60
  4. Step 4: Simplify right side
    1,871,225.40x = 4,061,470,750,913.34
  5. Step 5: Solve for x
    x = 4,061,470,750,913.34/1,871,225.40
  6. Step 6: Final answer
    x = 2,170,487.18

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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.