Home / 4,580,690.40-6,871,035.60-2,880,079.20

Finding the Fourth Proportional to 4,580,690.40, 6,871,035.60 and 2,880,079.20

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Solution

The fourth proportional to 4,580,690.40, 6,871,035.60 and 2,880,079.20 is: 4,320,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580,690.40 : 6,871,035.60 = 2,880,079.20 : x
  2. Step 2: Convert to fraction form
    4,580,690.40/6,871,035.60 = 2,880,079.20/x
  3. Step 3: Cross multiply
    4,580,690.40x = 6,871,035.60 × 2,880,079.20
  4. Step 4: Simplify right side
    4,580,690.40x = 19,789,126,714,019.52
  5. Step 5: Solve for x
    x = 19,789,126,714,019.52/4,580,690.40
  6. Step 6: Final answer
    x = 4,320,118.80

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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.