Home / 3,120,412.20-4,681,055.70-1,226,713.20

Finding the Fourth Proportional to 3,120,412.20, 4,681,055.70 and 1,226,713.20

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Solution

The fourth proportional to 3,120,412.20, 4,681,055.70 and 1,226,713.20 is: 1,840,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,412.20 : 4,681,055.70 = 1,226,713.20 : x
  2. Step 2: Convert to fraction form
    3,120,412.20/4,681,055.70 = 1,226,713.20/x
  3. Step 3: Cross multiply
    3,120,412.20x = 4,681,055.70 × 1,226,713.20
  4. Step 4: Simplify right side
    3,120,412.20x = 5,742,312,817,125.24
  5. Step 5: Solve for x
    x = 5,742,312,817,125.24/3,120,412.20
  6. Step 6: Final answer
    x = 1,840,241.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.