Home / 2,157,010.66-2,977,753.29-1,341,477.15

Finding the Fourth Proportional to 2,157,010.66, 2,977,753.29 and 1,341,477.15

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Solution

The fourth proportional to 2,157,010.66, 2,977,753.29 and 1,341,477.15 is: 1,851,909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,010.66 : 2,977,753.29 = 1,341,477.15 : x
  2. Step 2: Convert to fraction form
    2,157,010.66/2,977,753.29 = 1,341,477.15/x
  3. Step 3: Cross multiply
    2,157,010.66x = 2,977,753.29 × 1,341,477.15
  4. Step 4: Simplify right side
    2,157,010.66x = 3,994,587,980,675.21
  5. Step 5: Solve for x
    x = 3,994,587,980,675.21/2,157,010.66
  6. Step 6: Final answer
    x = 1,851,909.24

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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.