Home / 2,078,784.70-3,121,384.65-1,134,000.70

Finding the Fourth Proportional to 2,078,784.70, 3,121,384.65 and 1,134,000.70

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Solution

The fourth proportional to 2,078,784.70, 3,121,384.65 and 1,134,000.70 is: 1,702,750.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,784.70 : 3,121,384.65 = 1,134,000.70 : x
  2. Step 2: Convert to fraction form
    2,078,784.70/3,121,384.65 = 1,134,000.70/x
  3. Step 3: Cross multiply
    2,078,784.70x = 3,121,384.65 × 1,134,000.70
  4. Step 4: Simplify right side
    2,078,784.70x = 3,539,652,378,069.26
  5. Step 5: Solve for x
    x = 3,539,652,378,069.26/2,078,784.70
  6. Step 6: Final answer
    x = 1,702,750.83

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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.