Home / 2,752,082.40-4,128,779.70-1,330,969.80

Finding the Fourth Proportional to 2,752,082.40, 4,128,779.70 and 1,330,969.80

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Solution

The fourth proportional to 2,752,082.40, 4,128,779.70 and 1,330,969.80 is: 1,996,772.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,082.40 : 4,128,779.70 = 1,330,969.80 : x
  2. Step 2: Convert to fraction form
    2,752,082.40/4,128,779.70 = 1,330,969.80/x
  3. Step 3: Cross multiply
    2,752,082.40x = 4,128,779.70 × 1,330,969.80
  4. Step 4: Simplify right side
    2,752,082.40x = 5,495,281,091,553.06
  5. Step 5: Solve for x
    x = 5,495,281,091,553.06/2,752,082.40
  6. Step 6: Final answer
    x = 1,996,772.00

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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.