Home / 6,631,140-9,946,710-2,143,416

Finding the Fourth Proportional to 6,631,140, 9,946,710 and 2,143,416

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Solution

The fourth proportional to 6,631,140, 9,946,710 and 2,143,416 is: 3,215,124

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631,140 : 9,946,710 = 2,143,416 : x
  2. Step 2: Convert to fraction form
    6,631,140/9,946,710 = 2,143,416/x
  3. Step 3: Cross multiply
    6,631,140x = 9,946,710 × 2,143,416
  4. Step 4: Simplify right side
    6,631,140x = 21,319,937,361,360
  5. Step 5: Solve for x
    x = 21,319,937,361,360/6,631,140
  6. Step 6: Final answer
    x = 3,215,124

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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.