Home / 2,172,328.20-3,258,929.70-1,819,783.80

Finding the Fourth Proportional to 2,172,328.20, 3,258,929.70 and 1,819,783.80

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Solution

The fourth proportional to 2,172,328.20, 3,258,929.70 and 1,819,783.80 is: 2,730,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,328.20 : 3,258,929.70 = 1,819,783.80 : x
  2. Step 2: Convert to fraction form
    2,172,328.20/3,258,929.70 = 1,819,783.80/x
  3. Step 3: Cross multiply
    2,172,328.20x = 3,258,929.70 × 1,819,783.80
  4. Step 4: Simplify right side
    2,172,328.20x = 5,930,547,473,398.86
  5. Step 5: Solve for x
    x = 5,930,547,473,398.86/2,172,328.20
  6. Step 6: Final answer
    x = 2,730,042.11

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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.