Home / 6,290,602.60-9,421,907.10-5,170,858.60

Finding the Fourth Proportional to 6,290,602.60, 9,421,907.10 and 5,170,858.60

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Solution

The fourth proportional to 6,290,602.60, 9,421,907.10 and 5,170,858.60 is: 7,744,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290,602.60 : 9,421,907.10 = 5,170,858.60 : x
  2. Step 2: Convert to fraction form
    6,290,602.60/9,421,907.10 = 5,170,858.60/x
  3. Step 3: Cross multiply
    6,290,602.60x = 9,421,907.10 × 5,170,858.60
  4. Step 4: Simplify right side
    6,290,602.60x = 48,719,349,356,436.05
  5. Step 5: Solve for x
    x = 48,719,349,356,436.05/6,290,602.60
  6. Step 6: Final answer
    x = 7,744,782.57

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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.