Home / 2,111,810.14-2,916,703.52-1,431,565.66

Finding the Fourth Proportional to 2,111,810.14, 2,916,703.52 and 1,431,565.66

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Solution

The fourth proportional to 2,111,810.14, 2,916,703.52 and 1,431,565.66 is: 1,977,191.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,810.14 : 2,916,703.52 = 1,431,565.66 : x
  2. Step 2: Convert to fraction form
    2,111,810.14/2,916,703.52 = 1,431,565.66/x
  3. Step 3: Cross multiply
    2,111,810.14x = 2,916,703.52 × 1,431,565.66
  4. Step 4: Simplify right side
    2,111,810.14x = 4,175,452,599,633.12
  5. Step 5: Solve for x
    x = 4,175,452,599,633.12/2,111,810.14
  6. Step 6: Final answer
    x = 1,977,191.28

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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.