Home / 3,220,615.80-4,830,923.70-976,865.40

Finding the Fourth Proportional to 3,220,615.80, 4,830,923.70 and 976,865.40

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Solution

The fourth proportional to 3,220,615.80, 4,830,923.70 and 976,865.40 is: 1,465,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,615.80 : 4,830,923.70 = 976,865.40 : x
  2. Step 2: Convert to fraction form
    3,220,615.80/4,830,923.70 = 976,865.40/x
  3. Step 3: Cross multiply
    3,220,615.80x = 4,830,923.70 × 976,865.40
  4. Step 4: Simplify right side
    3,220,615.80x = 4,719,162,212,569.98
  5. Step 5: Solve for x
    x = 4,719,162,212,569.98/3,220,615.80
  6. Step 6: Final answer
    x = 1,465,298.10

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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.