Home / 4,931,856-7,397,784-1,386,000

Finding the Fourth Proportional to 4,931,856, 7,397,784 and 1,386,000

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Solution

The fourth proportional to 4,931,856, 7,397,784 and 1,386,000 is: 2,079,000

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931,856 : 7,397,784 = 1,386,000 : x
  2. Step 2: Convert to fraction form
    4,931,856/7,397,784 = 1,386,000/x
  3. Step 3: Cross multiply
    4,931,856x = 7,397,784 × 1,386,000
  4. Step 4: Simplify right side
    4,931,856x = 10,253,328,624,000
  5. Step 5: Solve for x
    x = 10,253,328,624,000/4,931,856
  6. Step 6: Final answer
    x = 2,079,000

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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.