Home / 1,418,530.20-2,127,795.30-1,379,164.20

Finding the Fourth Proportional to 1,418,530.20, 2,127,795.30 and 1,379,164.20

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Solution

The fourth proportional to 1,418,530.20, 2,127,795.30 and 1,379,164.20 is: 2,068,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,530.20 : 2,127,795.30 = 1,379,164.20 : x
  2. Step 2: Convert to fraction form
    1,418,530.20/2,127,795.30 = 1,379,164.20/x
  3. Step 3: Cross multiply
    1,418,530.20x = 2,127,795.30 × 1,379,164.20
  4. Step 4: Simplify right side
    1,418,530.20x = 2,934,579,102,688.26
  5. Step 5: Solve for x
    x = 2,934,579,102,688.26/1,418,530.20
  6. Step 6: Final answer
    x = 2,068,746.30

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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.