Home / 3,119,992.40-4,681,543.80-1,773,189.20

Finding the Fourth Proportional to 3,119,992.40, 4,681,543.80 and 1,773,189.20

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Solution

The fourth proportional to 3,119,992.40, 4,681,543.80 and 1,773,189.20 is: 2,660,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,992.40 : 4,681,543.80 = 1,773,189.20 : x
  2. Step 2: Convert to fraction form
    3,119,992.40/4,681,543.80 = 1,773,189.20/x
  3. Step 3: Cross multiply
    3,119,992.40x = 4,681,543.80 × 1,773,189.20
  4. Step 4: Simplify right side
    3,119,992.40x = 8,301,262,905,486.96
  5. Step 5: Solve for x
    x = 8,301,262,905,486.96/3,119,992.40
  6. Step 6: Final answer
    x = 2,660,667.67

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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.