Home / 2,644,959.63-3,964,118.85-1,430,487.86

Finding the Fourth Proportional to 2,644,959.63, 3,964,118.85 and 1,430,487.86

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Solution

The fourth proportional to 2,644,959.63, 3,964,118.85 and 1,430,487.86 is: 2,143,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644,959.63 : 3,964,118.85 = 1,430,487.86 : x
  2. Step 2: Convert to fraction form
    2,644,959.63/3,964,118.85 = 1,430,487.86/x
  3. Step 3: Cross multiply
    2,644,959.63x = 3,964,118.85 × 1,430,487.86
  4. Step 4: Simplify right side
    2,644,959.63x = 5,670,623,890,522.16
  5. Step 5: Solve for x
    x = 5,670,623,890,522.16/2,644,959.63
  6. Step 6: Final answer
    x = 2,143,935.89

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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.