Home / 1,929,684.48-2,663,128.08-1,070,521.50

Finding the Fourth Proportional to 1,929,684.48, 2,663,128.08 and 1,070,521.50

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Solution

The fourth proportional to 1,929,684.48, 2,663,128.08 and 1,070,521.50 is: 1,477,410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,684.48 : 2,663,128.08 = 1,070,521.50 : x
  2. Step 2: Convert to fraction form
    1,929,684.48/2,663,128.08 = 1,070,521.50/x
  3. Step 3: Cross multiply
    1,929,684.48x = 2,663,128.08 × 1,070,521.50
  4. Step 4: Simplify right side
    1,929,684.48x = 2,850,935,866,893.72
  5. Step 5: Solve for x
    x = 2,850,935,866,893.72/1,929,684.48
  6. Step 6: Final answer
    x = 1,477,410.37

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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.