Home / 2,768,679.60-4,155,352.20-1,254,692.40

Finding the Fourth Proportional to 2,768,679.60, 4,155,352.20 and 1,254,692.40

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Solution

The fourth proportional to 2,768,679.60, 4,155,352.20 and 1,254,692.40 is: 1,883,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,679.60 : 4,155,352.20 = 1,254,692.40 : x
  2. Step 2: Convert to fraction form
    2,768,679.60/4,155,352.20 = 1,254,692.40/x
  3. Step 3: Cross multiply
    2,768,679.60x = 4,155,352.20 × 1,254,692.40
  4. Step 4: Simplify right side
    2,768,679.60x = 5,213,688,824,663.28
  5. Step 5: Solve for x
    x = 5,213,688,824,663.28/2,768,679.60
  6. Step 6: Final answer
    x = 1,883,095.76

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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.