Home / 2,688,905.80-4,032,192.30-891,094.60

Finding the Fourth Proportional to 2,688,905.80, 4,032,192.30 and 891,094.60

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Solution

The fourth proportional to 2,688,905.80, 4,032,192.30 and 891,094.60 is: 1,336,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,905.80 : 4,032,192.30 = 891,094.60 : x
  2. Step 2: Convert to fraction form
    2,688,905.80/4,032,192.30 = 891,094.60/x
  3. Step 3: Cross multiply
    2,688,905.80x = 4,032,192.30 × 891,094.60
  4. Step 4: Simplify right side
    2,688,905.80x = 3,593,064,784,691.58
  5. Step 5: Solve for x
    x = 3,593,064,784,691.58/2,688,905.80
  6. Step 6: Final answer
    x = 1,336,255.36

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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.