Home / 1,890,530.39-2,609,156.13-1,074,857.15

Finding the Fourth Proportional to 1,890,530.39, 2,609,156.13 and 1,074,857.15

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Solution

The fourth proportional to 1,890,530.39, 2,609,156.13 and 1,074,857.15 is: 1,483,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,530.39 : 2,609,156.13 = 1,074,857.15 : x
  2. Step 2: Convert to fraction form
    1,890,530.39/2,609,156.13 = 1,074,857.15/x
  3. Step 3: Cross multiply
    1,890,530.39x = 2,609,156.13 × 1,074,857.15
  4. Step 4: Simplify right side
    1,890,530.39x = 2,804,470,121,796.83
  5. Step 5: Solve for x
    x = 2,804,470,121,796.83/1,890,530.39
  6. Step 6: Final answer
    x = 1,483,430.33

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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.