Home / 4,781,688.51-7,172,497.01-1,369,978

Finding the Fourth Proportional to 4,781,688.51, 7,172,497.01 and 1,369,978

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Solution

The fourth proportional to 4,781,688.51, 7,172,497.01 and 1,369,978 is: 2,054,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781,688.51 : 7,172,497.01 = 1,369,978 : x
  2. Step 2: Convert to fraction form
    4,781,688.51/7,172,497.01 = 1,369,978/x
  3. Step 3: Cross multiply
    4,781,688.51x = 7,172,497.01 × 1,369,978
  4. Step 4: Simplify right side
    4,781,688.51x = 9,826,163,108,765.78
  5. Step 5: Solve for x
    x = 9,826,163,108,765.78/4,781,688.51
  6. Step 6: Final answer
    x = 2,054,956.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.