Home / 2,151,871.40-3,228,267.90-656,114.60

Finding the Fourth Proportional to 2,151,871.40, 3,228,267.90 and 656,114.60

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Solution

The fourth proportional to 2,151,871.40, 3,228,267.90 and 656,114.60 is: 984,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,871.40 : 3,228,267.90 = 656,114.60 : x
  2. Step 2: Convert to fraction form
    2,151,871.40/3,228,267.90 = 656,114.60/x
  3. Step 3: Cross multiply
    2,151,871.40x = 3,228,267.90 × 656,114.60
  4. Step 4: Simplify right side
    2,151,871.40x = 2,118,113,701,901.34
  5. Step 5: Solve for x
    x = 2,118,113,701,901.34/2,151,871.40
  6. Step 6: Final answer
    x = 984,312.40

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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.