Home / 2,072,721.90-2,860,280.70-1,154,903.58

Finding the Fourth Proportional to 2,072,721.90, 2,860,280.70 and 1,154,903.58

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Solution

The fourth proportional to 2,072,721.90, 2,860,280.70 and 1,154,903.58 is: 1,593,724.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,721.90 : 2,860,280.70 = 1,154,903.58 : x
  2. Step 2: Convert to fraction form
    2,072,721.90/2,860,280.70 = 1,154,903.58/x
  3. Step 3: Cross multiply
    2,072,721.90x = 2,860,280.70 × 1,154,903.58
  4. Step 4: Simplify right side
    2,072,721.90x = 3,303,348,420,234.91
  5. Step 5: Solve for x
    x = 3,303,348,420,234.91/2,072,721.90
  6. Step 6: Final answer
    x = 1,593,724.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.