Home / 3,210,858.40-4,816,278-814,698.40

Finding the Fourth Proportional to 3,210,858.40, 4,816,278 and 814,698.40

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Solution

The fourth proportional to 3,210,858.40, 4,816,278 and 814,698.40 is: 1,222,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,858.40 : 4,816,278 = 814,698.40 : x
  2. Step 2: Convert to fraction form
    3,210,858.40/4,816,278 = 814,698.40/x
  3. Step 3: Cross multiply
    3,210,858.40x = 4,816,278 × 814,698.40
  4. Step 4: Simplify right side
    3,210,858.40x = 3,923,813,980,555.20
  5. Step 5: Solve for x
    x = 3,923,813,980,555.20/3,210,858.40
  6. Step 6: Final answer
    x = 1,222,045.16

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1.5x scale

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.