Home / 2,130,765.25-2,940,438.63-1,163,895.79

Finding the Fourth Proportional to 2,130,765.25, 2,940,438.63 and 1,163,895.79

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Solution

The fourth proportional to 2,130,765.25, 2,940,438.63 and 1,163,895.79 is: 1,606,166.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,765.25 : 2,940,438.63 = 1,163,895.79 : x
  2. Step 2: Convert to fraction form
    2,130,765.25/2,940,438.63 = 1,163,895.79/x
  3. Step 3: Cross multiply
    2,130,765.25x = 2,940,438.63 × 1,163,895.79
  4. Step 4: Simplify right side
    2,130,765.25x = 3,422,364,142,210.37
  5. Step 5: Solve for x
    x = 3,422,364,142,210.37/2,130,765.25
  6. Step 6: Final answer
    x = 1,606,166.68

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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.