Home / 1,929,642.54-2,663,070.12-1,070,479.50

Finding the Fourth Proportional to 1,929,642.54, 2,663,070.12 and 1,070,479.50

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Solution

The fourth proportional to 1,929,642.54, 2,663,070.12 and 1,070,479.50 is: 1,477,352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,642.54 : 2,663,070.12 = 1,070,479.50 : x
  2. Step 2: Convert to fraction form
    1,929,642.54/2,663,070.12 = 1,070,479.50/x
  3. Step 3: Cross multiply
    1,929,642.54x = 2,663,070.12 × 1,070,479.50
  4. Step 4: Simplify right side
    1,929,642.54x = 2,850,761,970,522.54
  5. Step 5: Solve for x
    x = 2,850,761,970,522.54/1,929,642.54
  6. Step 6: Final answer
    x = 1,477,352.37

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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.