Home / 5,581,837.60-8,372,756.40-1,379,341.60

Finding the Fourth Proportional to 5,581,837.60, 8,372,756.40 and 1,379,341.60

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Solution

The fourth proportional to 5,581,837.60, 8,372,756.40 and 1,379,341.60 is: 2,069,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581,837.60 : 8,372,756.40 = 1,379,341.60 : x
  2. Step 2: Convert to fraction form
    5,581,837.60/8,372,756.40 = 1,379,341.60/x
  3. Step 3: Cross multiply
    5,581,837.60x = 8,372,756.40 × 1,379,341.60
  4. Step 4: Simplify right side
    5,581,837.60x = 11,548,891,209,186.24
  5. Step 5: Solve for x
    x = 11,548,891,209,186.24/5,581,837.60
  6. Step 6: Final answer
    x = 2,069,012.40

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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.