Home / 2,671,456.60-4,009,809.30-1,325,139.40

Finding the Fourth Proportional to 2,671,456.60, 4,009,809.30 and 1,325,139.40

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Solution

The fourth proportional to 2,671,456.60, 4,009,809.30 and 1,325,139.40 is: 1,989,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671,456.60 : 4,009,809.30 = 1,325,139.40 : x
  2. Step 2: Convert to fraction form
    2,671,456.60/4,009,809.30 = 1,325,139.40/x
  3. Step 3: Cross multiply
    2,671,456.60x = 4,009,809.30 × 1,325,139.40
  4. Step 4: Simplify right side
    2,671,456.60x = 5,313,556,289,916.42
  5. Step 5: Solve for x
    x = 5,313,556,289,916.42/2,671,456.60
  6. Step 6: Final answer
    x = 1,989,010.90

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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.