Home / 4,272,053.77-6,407,264.17-1,280,237.77

Finding the Fourth Proportional to 4,272,053.77, 6,407,264.17 and 1,280,237.77

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Solution

The fourth proportional to 4,272,053.77, 6,407,264.17 and 1,280,237.77 is: 1,920,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272,053.77 : 6,407,264.17 = 1,280,237.77 : x
  2. Step 2: Convert to fraction form
    4,272,053.77/6,407,264.17 = 1,280,237.77/x
  3. Step 3: Cross multiply
    4,272,053.77x = 6,407,264.17 × 1,280,237.77
  4. Step 4: Simplify right side
    4,272,053.77x = 8,202,821,615,026.56
  5. Step 5: Solve for x
    x = 8,202,821,615,026.56/4,272,053.77
  6. Step 6: Final answer
    x = 1,920,111.98

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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.