Home / 3,390,867.42-4,679,161.11-1,863,038.94

Finding the Fourth Proportional to 3,390,867.42, 4,679,161.11 and 1,863,038.94

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Solution

The fourth proportional to 3,390,867.42, 4,679,161.11 and 1,863,038.94 is: 2,570,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,867.42 : 4,679,161.11 = 1,863,038.94 : x
  2. Step 2: Convert to fraction form
    3,390,867.42/4,679,161.11 = 1,863,038.94/x
  3. Step 3: Cross multiply
    3,390,867.42x = 4,679,161.11 × 1,863,038.94
  4. Step 4: Simplify right side
    3,390,867.42x = 8,717,459,354,463.62
  5. Step 5: Solve for x
    x = 8,717,459,354,463.62/3,390,867.42
  6. Step 6: Final answer
    x = 2,570,864.11

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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.