Home / 1,937,277.57-2,673,141.03-1,121,321.64

Finding the Fourth Proportional to 1,937,277.57, 2,673,141.03 and 1,121,321.64

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Solution

The fourth proportional to 1,937,277.57, 2,673,141.03 and 1,121,321.64 is: 1,547,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,277.57 : 2,673,141.03 = 1,121,321.64 : x
  2. Step 2: Convert to fraction form
    1,937,277.57/2,673,141.03 = 1,121,321.64/x
  3. Step 3: Cross multiply
    1,937,277.57x = 2,673,141.03 × 1,121,321.64
  4. Step 4: Simplify right side
    1,937,277.57x = 2,997,450,883,710.89
  5. Step 5: Solve for x
    x = 2,997,450,883,710.89/1,937,277.57
  6. Step 6: Final answer
    x = 1,547,249.05

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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.