Home / 5,406,863.34-8,109,261.41-1,620,346.22

Finding the Fourth Proportional to 5,406,863.34, 8,109,261.41 and 1,620,346.22

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Solution

The fourth proportional to 5,406,863.34, 8,109,261.41 and 1,620,346.22 is: 2,430,209.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406,863.34 : 8,109,261.41 = 1,620,346.22 : x
  2. Step 2: Convert to fraction form
    5,406,863.34/8,109,261.41 = 1,620,346.22/x
  3. Step 3: Cross multiply
    5,406,863.34x = 8,109,261.41 × 1,620,346.22
  4. Step 4: Simplify right side
    5,406,863.34x = 13,139,811,058,488.52
  5. Step 5: Solve for x
    x = 13,139,811,058,488.52/5,406,863.34
  6. Step 6: Final answer
    x = 2,430,209.57

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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.