Home / 5,354,986.50-7,389,934.47-2,907,617.60

Finding the Fourth Proportional to 5,354,986.50, 7,389,934.47 and 2,907,617.60

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Solution

The fourth proportional to 5,354,986.50, 7,389,934.47 and 2,907,617.60 is: 4,012,541.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354,986.50 : 7,389,934.47 = 2,907,617.60 : x
  2. Step 2: Convert to fraction form
    5,354,986.50/7,389,934.47 = 2,907,617.60/x
  3. Step 3: Cross multiply
    5,354,986.50x = 7,389,934.47 × 2,907,617.60
  4. Step 4: Simplify right side
    5,354,986.50x = 21,487,103,546,293.51
  5. Step 5: Solve for x
    x = 21,487,103,546,293.51/5,354,986.50
  6. Step 6: Final answer
    x = 4,012,541.12

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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.