Home / 2,027,495-3,038,880.54-1,128,506.78

Finding the Fourth Proportional to 2,027,495, 3,038,880.54 and 1,128,506.78

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Solution

The fourth proportional to 2,027,495, 3,038,880.54 and 1,128,506.78 is: 1,691,445.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027,495 : 3,038,880.54 = 1,128,506.78 : x
  2. Step 2: Convert to fraction form
    2,027,495/3,038,880.54 = 1,128,506.78/x
  3. Step 3: Cross multiply
    2,027,495x = 3,038,880.54 × 1,128,506.78
  4. Step 4: Simplify right side
    2,027,495x = 3,429,397,293,000.06
  5. Step 5: Solve for x
    x = 3,429,397,293,000.06/2,027,495
  6. Step 6: Final answer
    x = 1,691,445.50

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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.