Home / 5,638,394.13-7,780,989.27-3,060,075.60

Finding the Fourth Proportional to 5,638,394.13, 7,780,989.27 and 3,060,075.60

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Solution

The fourth proportional to 5,638,394.13, 7,780,989.27 and 3,060,075.60 is: 4,222,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,394.13 : 7,780,989.27 = 3,060,075.60 : x
  2. Step 2: Convert to fraction form
    5,638,394.13/7,780,989.27 = 3,060,075.60/x
  3. Step 3: Cross multiply
    5,638,394.13x = 7,780,989.27 × 3,060,075.60
  4. Step 4: Simplify right side
    5,638,394.13x = 23,810,415,408,988.81
  5. Step 5: Solve for x
    x = 23,810,415,408,988.81/5,638,394.13
  6. Step 6: Final answer
    x = 4,222,907.24

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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.