Home / 1,868,215.91-2,803,209.53-1,111,552.16

Finding the Fourth Proportional to 1,868,215.91, 2,803,209.53 and 1,111,552.16

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Solution

The fourth proportional to 1,868,215.91, 2,803,209.53 and 1,111,552.16 is: 1,667,855.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,215.91 : 2,803,209.53 = 1,111,552.16 : x
  2. Step 2: Convert to fraction form
    1,868,215.91/2,803,209.53 = 1,111,552.16/x
  3. Step 3: Cross multiply
    1,868,215.91x = 2,803,209.53 × 1,111,552.16
  4. Step 4: Simplify right side
    1,868,215.91x = 3,115,913,588,430.28
  5. Step 5: Solve for x
    x = 3,115,913,588,430.28/1,868,215.91
  6. Step 6: Final answer
    x = 1,667,855.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.