Home / 3,459,462.21-4,774,353.03-1,931,864.58

Finding the Fourth Proportional to 3,459,462.21, 4,774,353.03 and 1,931,864.58

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Solution

The fourth proportional to 3,459,462.21, 4,774,353.03 and 1,931,864.58 is: 2,666,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459,462.21 : 4,774,353.03 = 1,931,864.58 : x
  2. Step 2: Convert to fraction form
    3,459,462.21/4,774,353.03 = 1,931,864.58/x
  3. Step 3: Cross multiply
    3,459,462.21x = 4,774,353.03 × 1,931,864.58
  4. Step 4: Simplify right side
    3,459,462.21x = 9,223,403,511,072.68
  5. Step 5: Solve for x
    x = 9,223,403,511,072.68/3,459,462.21
  6. Step 6: Final answer
    x = 2,666,137.96

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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.