Home / 3,408,245.40-5,112,368.10-1,012,459.80

Finding the Fourth Proportional to 3,408,245.40, 5,112,368.10 and 1,012,459.80

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Solution

The fourth proportional to 3,408,245.40, 5,112,368.10 and 1,012,459.80 is: 1,518,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,245.40 : 5,112,368.10 = 1,012,459.80 : x
  2. Step 2: Convert to fraction form
    3,408,245.40/5,112,368.10 = 1,012,459.80/x
  3. Step 3: Cross multiply
    3,408,245.40x = 5,112,368.10 × 1,012,459.80
  4. Step 4: Simplify right side
    3,408,245.40x = 5,176,067,184,052.38
  5. Step 5: Solve for x
    x = 5,176,067,184,052.38/3,408,245.40
  6. Step 6: Final answer
    x = 1,518,689.70

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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.