Home / 2,110,598.40-3,168,230.40-1,312,780.80

Finding the Fourth Proportional to 2,110,598.40, 3,168,230.40 and 1,312,780.80

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Solution

The fourth proportional to 2,110,598.40, 3,168,230.40 and 1,312,780.80 is: 1,970,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110,598.40 : 3,168,230.40 = 1,312,780.80 : x
  2. Step 2: Convert to fraction form
    2,110,598.40/3,168,230.40 = 1,312,780.80/x
  3. Step 3: Cross multiply
    2,110,598.40x = 3,168,230.40 × 1,312,780.80
  4. Step 4: Simplify right side
    2,110,598.40x = 4,159,192,039,096.32
  5. Step 5: Solve for x
    x = 4,159,192,039,096.32/2,110,598.40
  6. Step 6: Final answer
    x = 1,970,622.19

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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.