Home / 3,211,901.40-4,817,852.10-1,318,013.40

Finding the Fourth Proportional to 3,211,901.40, 4,817,852.10 and 1,318,013.40

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Solution

The fourth proportional to 3,211,901.40, 4,817,852.10 and 1,318,013.40 is: 1,977,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,901.40 : 4,817,852.10 = 1,318,013.40 : x
  2. Step 2: Convert to fraction form
    3,211,901.40/4,817,852.10 = 1,318,013.40/x
  3. Step 3: Cross multiply
    3,211,901.40x = 4,817,852.10 × 1,318,013.40
  4. Step 4: Simplify right side
    3,211,901.40x = 6,349,993,627,018.14
  5. Step 5: Solve for x
    x = 6,349,993,627,018.14/3,211,901.40
  6. Step 6: Final answer
    x = 1,977,020.10

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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.