Home / 2,871,851.60-4,307,777.40-1,920,069.20

Finding the Fourth Proportional to 2,871,851.60, 4,307,777.40 and 1,920,069.20

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Solution

The fourth proportional to 2,871,851.60, 4,307,777.40 and 1,920,069.20 is: 2,880,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,851.60 : 4,307,777.40 = 1,920,069.20 : x
  2. Step 2: Convert to fraction form
    2,871,851.60/4,307,777.40 = 1,920,069.20/x
  3. Step 3: Cross multiply
    2,871,851.60x = 4,307,777.40 × 1,920,069.20
  4. Step 4: Simplify right side
    2,871,851.60x = 8,271,230,706,196.08
  5. Step 5: Solve for x
    x = 8,271,230,706,196.08/2,871,851.60
  6. Step 6: Final answer
    x = 2,880,103.80

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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.