Home / 4,855,907.20-7,283,860.80-1,660,554.40

Finding the Fourth Proportional to 4,855,907.20, 7,283,860.80 and 1,660,554.40

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Solution

The fourth proportional to 4,855,907.20, 7,283,860.80 and 1,660,554.40 is: 2,490,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855,907.20 : 7,283,860.80 = 1,660,554.40 : x
  2. Step 2: Convert to fraction form
    4,855,907.20/7,283,860.80 = 1,660,554.40/x
  3. Step 3: Cross multiply
    4,855,907.20x = 7,283,860.80 × 1,660,554.40
  4. Step 4: Simplify right side
    4,855,907.20x = 12,095,247,100,427.52
  5. Step 5: Solve for x
    x = 12,095,247,100,427.52/4,855,907.20
  6. Step 6: Final answer
    x = 2,490,831.60

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Similar ratio
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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.