Home / 2,685,276.80-4,027,915.20-1,887,459.20

Finding the Fourth Proportional to 2,685,276.80, 4,027,915.20 and 1,887,459.20

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Solution

The fourth proportional to 2,685,276.80, 4,027,915.20 and 1,887,459.20 is: 2,831,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,276.80 : 4,027,915.20 = 1,887,459.20 : x
  2. Step 2: Convert to fraction form
    2,685,276.80/4,027,915.20 = 1,887,459.20/x
  3. Step 3: Cross multiply
    2,685,276.80x = 4,027,915.20 × 1,887,459.20
  4. Step 4: Simplify right side
    2,685,276.80x = 7,602,525,601,059.84
  5. Step 5: Solve for x
    x = 7,602,525,601,059.84/2,685,276.80
  6. Step 6: Final answer
    x = 2,831,188.80

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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.