Home / 7,882,160-11,823,240-1,898,528

Finding the Fourth Proportional to 7,882,160, 11,823,240 and 1,898,528

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Solution

The fourth proportional to 7,882,160, 11,823,240 and 1,898,528 is: 2,847,792

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882,160 : 11,823,240 = 1,898,528 : x
  2. Step 2: Convert to fraction form
    7,882,160/11,823,240 = 1,898,528/x
  3. Step 3: Cross multiply
    7,882,160x = 11,823,240 × 1,898,528
  4. Step 4: Simplify right side
    7,882,160x = 22,446,752,190,720
  5. Step 5: Solve for x
    x = 22,446,752,190,720/7,882,160
  6. Step 6: Final answer
    x = 2,847,792

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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.