Home / 2,980,832.60-4,111,587.17-2,152,526.78

Finding the Fourth Proportional to 2,980,832.60, 4,111,587.17 and 2,152,526.78

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Solution

The fourth proportional to 2,980,832.60, 4,111,587.17 and 2,152,526.78 is: 2,969,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,832.60 : 4,111,587.17 = 2,152,526.78 : x
  2. Step 2: Convert to fraction form
    2,980,832.60/4,111,587.17 = 2,152,526.78/x
  3. Step 3: Cross multiply
    2,980,832.60x = 4,111,587.17 × 2,152,526.78
  4. Step 4: Simplify right side
    2,980,832.60x = 8,850,301,460,408.84
  5. Step 5: Solve for x
    x = 8,850,301,460,408.84/2,980,832.60
  6. Step 6: Final answer
    x = 2,969,070.28

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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.