Home / 2,152,536.08-2,970,390.06-1,185,645.56

Finding the Fourth Proportional to 2,152,536.08, 2,970,390.06 and 1,185,645.56

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Solution

The fourth proportional to 2,152,536.08, 2,970,390.06 and 1,185,645.56 is: 1,636,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,536.08 : 2,970,390.06 = 1,185,645.56 : x
  2. Step 2: Convert to fraction form
    2,152,536.08/2,970,390.06 = 1,185,645.56/x
  3. Step 3: Cross multiply
    2,152,536.08x = 2,970,390.06 × 1,185,645.56
  4. Step 4: Simplify right side
    2,152,536.08x = 3,521,829,786,107.13
  5. Step 5: Solve for x
    x = 3,521,829,786,107.13/2,152,536.08
  6. Step 6: Final answer
    x = 1,636,130.43

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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.