Home / 5,302,039.78-7,316,365.98-2,978,750.26

Finding the Fourth Proportional to 5,302,039.78, 7,316,365.98 and 2,978,750.26

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Solution

The fourth proportional to 5,302,039.78, 7,316,365.98 and 2,978,750.26 is: 4,110,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302,039.78 : 7,316,365.98 = 2,978,750.26 : x
  2. Step 2: Convert to fraction form
    5,302,039.78/7,316,365.98 = 2,978,750.26/x
  3. Step 3: Cross multiply
    5,302,039.78x = 7,316,365.98 × 2,978,750.26
  4. Step 4: Simplify right side
    5,302,039.78x = 21,793,627,065,180.16
  5. Step 5: Solve for x
    x = 21,793,627,065,180.16/5,302,039.78
  6. Step 6: Final answer
    x = 4,110,423.15

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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.