Home / 3,279,459.81-4,920,684.39-1,683,143.90

Finding the Fourth Proportional to 3,279,459.81, 4,920,684.39 and 1,683,143.90

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Solution

The fourth proportional to 3,279,459.81, 4,920,684.39 and 1,683,143.90 is: 2,525,482.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,459.81 : 4,920,684.39 = 1,683,143.90 : x
  2. Step 2: Convert to fraction form
    3,279,459.81/4,920,684.39 = 1,683,143.90/x
  3. Step 3: Cross multiply
    3,279,459.81x = 4,920,684.39 × 1,683,143.90
  4. Step 4: Simplify right side
    3,279,459.81x = 8,282,219,936,381.71
  5. Step 5: Solve for x
    x = 8,282,219,936,381.71/3,279,459.81
  6. Step 6: Final answer
    x = 2,525,482.98

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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.