Home / 1,888,718.17-2,832,038.43-1,290,354.97

Finding the Fourth Proportional to 1,888,718.17, 2,832,038.43 and 1,290,354.97

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Solution

The fourth proportional to 1,888,718.17, 2,832,038.43 and 1,290,354.97 is: 1,934,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,718.17 : 2,832,038.43 = 1,290,354.97 : x
  2. Step 2: Convert to fraction form
    1,888,718.17/2,832,038.43 = 1,290,354.97/x
  3. Step 3: Cross multiply
    1,888,718.17x = 2,832,038.43 × 1,290,354.97
  4. Step 4: Simplify right side
    1,888,718.17x = 3,654,334,863,381.50
  5. Step 5: Solve for x
    x = 3,654,334,863,381.50/1,888,718.17
  6. Step 6: Final answer
    x = 1,934,822.74

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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.