Home / 1,346,621.80-2,021,034.30-1,336,124.20

Finding the Fourth Proportional to 1,346,621.80, 2,021,034.30 and 1,336,124.20

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Solution

The fourth proportional to 1,346,621.80, 2,021,034.30 and 1,336,124.20 is: 2,005,279.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,621.80 : 2,021,034.30 = 1,336,124.20 : x
  2. Step 2: Convert to fraction form
    1,346,621.80/2,021,034.30 = 1,336,124.20/x
  3. Step 3: Cross multiply
    1,346,621.80x = 2,021,034.30 × 1,336,124.20
  4. Step 4: Simplify right side
    1,346,621.80x = 2,700,352,837,260.06
  5. Step 5: Solve for x
    x = 2,700,352,837,260.06/1,346,621.80
  6. Step 6: Final answer
    x = 2,005,279.31

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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.