Home / 2,139,278.58-2,952,208.62-1,172,444.76

Finding the Fourth Proportional to 2,139,278.58, 2,952,208.62 and 1,172,444.76

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Solution

The fourth proportional to 2,139,278.58, 2,952,208.62 and 1,172,444.76 is: 1,617,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,278.58 : 2,952,208.62 = 1,172,444.76 : x
  2. Step 2: Convert to fraction form
    2,139,278.58/2,952,208.62 = 1,172,444.76/x
  3. Step 3: Cross multiply
    2,139,278.58x = 2,952,208.62 × 1,172,444.76
  4. Step 4: Simplify right side
    2,139,278.58x = 3,461,301,526,945.83
  5. Step 5: Solve for x
    x = 3,461,301,526,945.83/2,139,278.58
  6. Step 6: Final answer
    x = 1,617,976.06

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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.