Home / 2,043,478.60-3,059,969.10-1,620,075.40

Finding the Fourth Proportional to 2,043,478.60, 3,059,969.10 and 1,620,075.40

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Solution

The fourth proportional to 2,043,478.60, 3,059,969.10 and 1,620,075.40 is: 2,425,951.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043,478.60 : 3,059,969.10 = 1,620,075.40 : x
  2. Step 2: Convert to fraction form
    2,043,478.60/3,059,969.10 = 1,620,075.40/x
  3. Step 3: Cross multiply
    2,043,478.60x = 3,059,969.10 × 1,620,075.40
  4. Step 4: Simplify right side
    2,043,478.60x = 4,957,380,663,670.14
  5. Step 5: Solve for x
    x = 4,957,380,663,670.14/2,043,478.60
  6. Step 6: Final answer
    x = 2,425,951.84

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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.