Home / 1,818,547.20-2,727,820.80-1,109,959.20

Finding the Fourth Proportional to 1,818,547.20, 2,727,820.80 and 1,109,959.20

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Solution

The fourth proportional to 1,818,547.20, 2,727,820.80 and 1,109,959.20 is: 1,664,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,547.20 : 2,727,820.80 = 1,109,959.20 : x
  2. Step 2: Convert to fraction form
    1,818,547.20/2,727,820.80 = 1,109,959.20/x
  3. Step 3: Cross multiply
    1,818,547.20x = 2,727,820.80 × 1,109,959.20
  4. Step 4: Simplify right side
    1,818,547.20x = 3,027,769,792,911.36
  5. Step 5: Solve for x
    x = 3,027,769,792,911.36/1,818,547.20
  6. Step 6: Final answer
    x = 1,664,938.80

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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.