Home / 1,550,590.40-2,319,324.60-1,391,814.20

Finding the Fourth Proportional to 1,550,590.40, 2,319,324.60 and 1,391,814.20

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Solution

The fourth proportional to 1,550,590.40, 2,319,324.60 and 1,391,814.20 is: 2,081,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,590.40 : 2,319,324.60 = 1,391,814.20 : x
  2. Step 2: Convert to fraction form
    1,550,590.40/2,319,324.60 = 1,391,814.20/x
  3. Step 3: Cross multiply
    1,550,590.40x = 2,319,324.60 × 1,391,814.20
  4. Step 4: Simplify right side
    1,550,590.40x = 3,228,068,912,689.32
  5. Step 5: Solve for x
    x = 3,228,068,912,689.32/1,550,590.40
  6. Step 6: Final answer
    x = 2,081,832.13

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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.