Home / 3,938,498.64-5,434,999.56-2,488,971.60

Finding the Fourth Proportional to 3,938,498.64, 5,434,999.56 and 2,488,971.60

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Solution

The fourth proportional to 3,938,498.64, 5,434,999.56 and 2,488,971.60 is: 3,434,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,498.64 : 5,434,999.56 = 2,488,971.60 : x
  2. Step 2: Convert to fraction form
    3,938,498.64/5,434,999.56 = 2,488,971.60/x
  3. Step 3: Cross multiply
    3,938,498.64x = 5,434,999.56 × 2,488,971.60
  4. Step 4: Simplify right side
    3,938,498.64x = 13,527,559,550,852.50
  5. Step 5: Solve for x
    x = 13,527,559,550,852.50/3,938,498.64
  6. Step 6: Final answer
    x = 3,434,699.56

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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.