Home / 1,929,926.64-2,663,290.22-1,102,986.40

Finding the Fourth Proportional to 1,929,926.64, 2,663,290.22 and 1,102,986.40

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Solution

The fourth proportional to 1,929,926.64, 2,663,290.22 and 1,102,986.40 is: 1,522,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,926.64 : 2,663,290.22 = 1,102,986.40 : x
  2. Step 2: Convert to fraction form
    1,929,926.64/2,663,290.22 = 1,102,986.40/x
  3. Step 3: Cross multiply
    1,929,926.64x = 2,663,290.22 × 1,102,986.40
  4. Step 4: Simplify right side
    1,929,926.64x = 2,937,572,891,913.01
  5. Step 5: Solve for x
    x = 2,937,572,891,913.01/1,929,926.64
  6. Step 6: Final answer
    x = 1,522,116.35

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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.