Home / 1,985,977.83-2,740,935.81-1,103,128.38

Finding the Fourth Proportional to 1,985,977.83, 2,740,935.81 and 1,103,128.38

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Solution

The fourth proportional to 1,985,977.83, 2,740,935.81 and 1,103,128.38 is: 1,522,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,977.83 : 2,740,935.81 = 1,103,128.38 : x
  2. Step 2: Convert to fraction form
    1,985,977.83/2,740,935.81 = 1,103,128.38/x
  3. Step 3: Cross multiply
    1,985,977.83x = 2,740,935.81 × 1,103,128.38
  4. Step 4: Simplify right side
    1,985,977.83x = 3,023,604,079,769.29
  5. Step 5: Solve for x
    x = 3,023,604,079,769.29/1,985,977.83
  6. Step 6: Final answer
    x = 1,522,476.25

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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.