Home / 1,888,730.22-2,832,056.51-1,290,367.02

Finding the Fourth Proportional to 1,888,730.22, 2,832,056.51 and 1,290,367.02

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Solution

The fourth proportional to 1,888,730.22, 2,832,056.51 and 1,290,367.02 is: 1,934,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,730.22 : 2,832,056.51 = 1,290,367.02 : x
  2. Step 2: Convert to fraction form
    1,888,730.22/2,832,056.51 = 1,290,367.02/x
  3. Step 3: Cross multiply
    1,888,730.22x = 2,832,056.51 × 1,290,367.02
  4. Step 4: Simplify right side
    1,888,730.22x = 3,654,392,312,828.47
  5. Step 5: Solve for x
    x = 3,654,392,312,828.47/1,888,730.22
  6. Step 6: Final answer
    x = 1,934,840.81

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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.