Home / 2,072,001.20-3,108,001.80-652,492.40

Finding the Fourth Proportional to 2,072,001.20, 3,108,001.80 and 652,492.40

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Solution

The fourth proportional to 2,072,001.20, 3,108,001.80 and 652,492.40 is: 978,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,001.20 : 3,108,001.80 = 652,492.40 : x
  2. Step 2: Convert to fraction form
    2,072,001.20/3,108,001.80 = 652,492.40/x
  3. Step 3: Cross multiply
    2,072,001.20x = 3,108,001.80 × 652,492.40
  4. Step 4: Simplify right side
    2,072,001.20x = 2,027,947,553,686.32
  5. Step 5: Solve for x
    x = 2,027,947,553,686.32/2,072,001.20
  6. Step 6: Final answer
    x = 978,738.60

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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.