Home / 2,071,854.96-2,860,781.40-1,620,432.24

Finding the Fourth Proportional to 2,071,854.96, 2,860,781.40 and 1,620,432.24

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Solution

The fourth proportional to 2,071,854.96, 2,860,781.40 and 1,620,432.24 is: 2,237,464.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,854.96 : 2,860,781.40 = 1,620,432.24 : x
  2. Step 2: Convert to fraction form
    2,071,854.96/2,860,781.40 = 1,620,432.24/x
  3. Step 3: Cross multiply
    2,071,854.96x = 2,860,781.40 × 1,620,432.24
  4. Step 4: Simplify right side
    2,071,854.96x = 4,635,702,412,152.34
  5. Step 5: Solve for x
    x = 4,635,702,412,152.34/2,071,854.96
  6. Step 6: Final answer
    x = 2,237,464.74

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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.