Home / 1,929,927.77-2,663,291.78-1,102,987.53

Finding the Fourth Proportional to 1,929,927.77, 2,663,291.78 and 1,102,987.53

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Solution

The fourth proportional to 1,929,927.77, 2,663,291.78 and 1,102,987.53 is: 1,522,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,927.77 : 2,663,291.78 = 1,102,987.53 : x
  2. Step 2: Convert to fraction form
    1,929,927.77/2,663,291.78 = 1,102,987.53/x
  3. Step 3: Cross multiply
    1,929,927.77x = 2,663,291.78 × 1,102,987.53
  4. Step 4: Simplify right side
    1,929,927.77x = 2,937,577,616,576.57
  5. Step 5: Solve for x
    x = 2,937,577,616,576.57/1,929,927.77
  6. Step 6: Final answer
    x = 1,522,117.91

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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.