Home / 3,212,386.40-4,816,246.80-1,318,152.80

Finding the Fourth Proportional to 3,212,386.40, 4,816,246.80 and 1,318,152.80

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Solution

The fourth proportional to 3,212,386.40, 4,816,246.80 and 1,318,152.80 is: 1,976,271.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,386.40 : 4,816,246.80 = 1,318,152.80 : x
  2. Step 2: Convert to fraction form
    3,212,386.40/4,816,246.80 = 1,318,152.80/x
  3. Step 3: Cross multiply
    3,212,386.40x = 4,816,246.80 × 1,318,152.80
  4. Step 4: Simplify right side
    3,212,386.40x = 6,348,549,204,911.04
  5. Step 5: Solve for x
    x = 6,348,549,204,911.04/3,212,386.40
  6. Step 6: Final answer
    x = 1,976,271.97

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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.