Home / 1,938,180.74-2,907,042.14-518,346.86

Finding the Fourth Proportional to 1,938,180.74, 2,907,042.14 and 518,346.86

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Solution

The fourth proportional to 1,938,180.74, 2,907,042.14 and 518,346.86 is: 777,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,180.74 : 2,907,042.14 = 518,346.86 : x
  2. Step 2: Convert to fraction form
    1,938,180.74/2,907,042.14 = 518,346.86/x
  3. Step 3: Cross multiply
    1,938,180.74x = 2,907,042.14 × 518,346.86
  4. Step 4: Simplify right side
    1,938,180.74x = 1,506,856,165,156.68
  5. Step 5: Solve for x
    x = 1,506,856,165,156.68/1,938,180.74
  6. Step 6: Final answer
    x = 777,459.05

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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.