Home / 3,980,255.10-5,492,372.60-2,326,788.78

Finding the Fourth Proportional to 3,980,255.10, 5,492,372.60 and 2,326,788.78

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Solution

The fourth proportional to 3,980,255.10, 5,492,372.60 and 2,326,788.78 is: 3,210,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,255.10 : 5,492,372.60 = 2,326,788.78 : x
  2. Step 2: Convert to fraction form
    3,980,255.10/5,492,372.60 = 2,326,788.78/x
  3. Step 3: Cross multiply
    3,980,255.10x = 5,492,372.60 × 2,326,788.78
  4. Step 4: Simplify right side
    3,980,255.10x = 12,779,590,941,259.43
  5. Step 5: Solve for x
    x = 12,779,590,941,259.43/3,980,255.10
  6. Step 6: Final answer
    x = 3,210,746.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.