Home / 2,818,677.84-3,888,148.68-1,798,933.20

Finding the Fourth Proportional to 2,818,677.84, 3,888,148.68 and 1,798,933.20

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Solution

The fourth proportional to 2,818,677.84, 3,888,148.68 and 1,798,933.20 is: 2,481,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,677.84 : 3,888,148.68 = 1,798,933.20 : x
  2. Step 2: Convert to fraction form
    2,818,677.84/3,888,148.68 = 1,798,933.20/x
  3. Step 3: Cross multiply
    2,818,677.84x = 3,888,148.68 × 1,798,933.20
  4. Step 4: Simplify right side
    2,818,677.84x = 6,994,519,746,988.18
  5. Step 5: Solve for x
    x = 6,994,519,746,988.18/2,818,677.84
  6. Step 6: Final answer
    x = 2,481,489.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.