Home / 2,154,011.26-2,972,484.30-1,173,981.23

Finding the Fourth Proportional to 2,154,011.26, 2,972,484.30 and 1,173,981.23

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Solution

The fourth proportional to 2,154,011.26, 2,972,484.30 and 1,173,981.23 is: 1,620,066.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,011.26 : 2,972,484.30 = 1,173,981.23 : x
  2. Step 2: Convert to fraction form
    2,154,011.26/2,972,484.30 = 1,173,981.23/x
  3. Step 3: Cross multiply
    2,154,011.26x = 2,972,484.30 × 1,173,981.23
  4. Step 4: Simplify right side
    2,154,011.26x = 3,489,640,774,669.69
  5. Step 5: Solve for x
    x = 3,489,640,774,669.69/2,154,011.26
  6. Step 6: Final answer
    x = 1,620,066.17

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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.