Home / 2,898,690.78-4,000,685.54-1,675,705.34

Finding the Fourth Proportional to 2,898,690.78, 4,000,685.54 and 1,675,705.34

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Solution

The fourth proportional to 2,898,690.78, 4,000,685.54 and 1,675,705.34 is: 2,312,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,690.78 : 4,000,685.54 = 1,675,705.34 : x
  2. Step 2: Convert to fraction form
    2,898,690.78/4,000,685.54 = 1,675,705.34/x
  3. Step 3: Cross multiply
    2,898,690.78x = 4,000,685.54 × 1,675,705.34
  4. Step 4: Simplify right side
    2,898,690.78x = 6,703,970,124,661.97
  5. Step 5: Solve for x
    x = 6,703,970,124,661.97/2,898,690.78
  6. Step 6: Final answer
    x = 2,312,757.94

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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.