Home / 2,518,620.60-3,779,047.62-1,320,256.92

Finding the Fourth Proportional to 2,518,620.60, 3,779,047.62 and 1,320,256.92

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Solution

The fourth proportional to 2,518,620.60, 3,779,047.62 and 1,320,256.92 is: 1,980,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,620.60 : 3,779,047.62 = 1,320,256.92 : x
  2. Step 2: Convert to fraction form
    2,518,620.60/3,779,047.62 = 1,320,256.92/x
  3. Step 3: Cross multiply
    2,518,620.60x = 3,779,047.62 × 1,320,256.92
  4. Step 4: Simplify right side
    2,518,620.60x = 4,989,313,771,314.53
  5. Step 5: Solve for x
    x = 4,989,313,771,314.53/2,518,620.60
  6. Step 6: Final answer
    x = 1,980,970.76

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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.