Home / 2,689,827.90-4,039,407.45-1,430,115.90

Finding the Fourth Proportional to 2,689,827.90, 4,039,407.45 and 1,430,115.90

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Solution

The fourth proportional to 2,689,827.90, 4,039,407.45 and 1,430,115.90 is: 2,147,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,827.90 : 4,039,407.45 = 1,430,115.90 : x
  2. Step 2: Convert to fraction form
    2,689,827.90/4,039,407.45 = 1,430,115.90/x
  3. Step 3: Cross multiply
    2,689,827.90x = 4,039,407.45 × 1,430,115.90
  4. Step 4: Simplify right side
    2,689,827.90x = 5,776,820,820,823.46
  5. Step 5: Solve for x
    x = 5,776,820,820,823.46/2,689,827.90
  6. Step 6: Final answer
    x = 2,147,654.44

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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.