Home / 7,898,310-11,847,465-1,914,678

Finding the Fourth Proportional to 7,898,310, 11,847,465 and 1,914,678

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Solution

The fourth proportional to 7,898,310, 11,847,465 and 1,914,678 is: 2,872,017

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898,310 : 11,847,465 = 1,914,678 : x
  2. Step 2: Convert to fraction form
    7,898,310/11,847,465 = 1,914,678/x
  3. Step 3: Cross multiply
    7,898,310x = 11,847,465 × 1,914,678
  4. Step 4: Simplify right side
    7,898,310x = 22,684,080,591,270
  5. Step 5: Solve for x
    x = 22,684,080,591,270/7,898,310
  6. Step 6: Final answer
    x = 2,872,017

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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.