Home / 4,217,681.25-6,325,213.40-1,521,655.98

Finding the Fourth Proportional to 4,217,681.25, 6,325,213.40 and 1,521,655.98

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Solution

The fourth proportional to 4,217,681.25, 6,325,213.40 and 1,521,655.98 is: 2,282,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217,681.25 : 6,325,213.40 = 1,521,655.98 : x
  2. Step 2: Convert to fraction form
    4,217,681.25/6,325,213.40 = 1,521,655.98/x
  3. Step 3: Cross multiply
    4,217,681.25x = 6,325,213.40 × 1,521,655.98
  4. Step 4: Simplify right side
    4,217,681.25x = 9,624,798,787,277.85
  5. Step 5: Solve for x
    x = 9,624,798,787,277.85/4,217,681.25
  6. Step 6: Final answer
    x = 2,282,011.90

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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.