Home / 3,904,809.12-5,388,595.47-2,185,943.76

Finding the Fourth Proportional to 3,904,809.12, 5,388,595.47 and 2,185,943.76

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Solution

The fourth proportional to 3,904,809.12, 5,388,595.47 and 2,185,943.76 is: 3,016,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904,809.12 : 5,388,595.47 = 2,185,943.76 : x
  2. Step 2: Convert to fraction form
    3,904,809.12/5,388,595.47 = 2,185,943.76/x
  3. Step 3: Cross multiply
    3,904,809.12x = 5,388,595.47 × 2,185,943.76
  4. Step 4: Simplify right side
    3,904,809.12x = 11,779,166,642,810.77
  5. Step 5: Solve for x
    x = 11,779,166,642,810.77/3,904,809.12
  6. Step 6: Final answer
    x = 3,016,579.37

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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.