Home / 2,123,967.60-3,180,702.60-1,410,130.80

Finding the Fourth Proportional to 2,123,967.60, 3,180,702.60 and 1,410,130.80

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Solution

The fourth proportional to 2,123,967.60, 3,180,702.60 and 1,410,130.80 is: 2,111,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,967.60 : 3,180,702.60 = 1,410,130.80 : x
  2. Step 2: Convert to fraction form
    2,123,967.60/3,180,702.60 = 1,410,130.80/x
  3. Step 3: Cross multiply
    2,123,967.60x = 3,180,702.60 × 1,410,130.80
  4. Step 4: Simplify right side
    2,123,967.60x = 4,485,206,701,900.08
  5. Step 5: Solve for x
    x = 4,485,206,701,900.08/2,123,967.60
  6. Step 6: Final answer
    x = 2,111,711.45

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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.