Home / 3,010,980.40-4,515,158.40-1,213,266.40

Finding the Fourth Proportional to 3,010,980.40, 4,515,158.40 and 1,213,266.40

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Solution

The fourth proportional to 3,010,980.40, 4,515,158.40 and 1,213,266.40 is: 1,819,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010,980.40 : 4,515,158.40 = 1,213,266.40 : x
  2. Step 2: Convert to fraction form
    3,010,980.40/4,515,158.40 = 1,213,266.40/x
  3. Step 3: Cross multiply
    3,010,980.40x = 4,515,158.40 × 1,213,266.40
  4. Step 4: Simplify right side
    3,010,980.40x = 5,478,089,977,397.76
  5. Step 5: Solve for x
    x = 5,478,089,977,397.76/3,010,980.40
  6. Step 6: Final answer
    x = 1,819,370.85

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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.