Home / 2,628,271.20-3,942,406.80-1,030,886.40

Finding the Fourth Proportional to 2,628,271.20, 3,942,406.80 and 1,030,886.40

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Solution

The fourth proportional to 2,628,271.20, 3,942,406.80 and 1,030,886.40 is: 1,546,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,271.20 : 3,942,406.80 = 1,030,886.40 : x
  2. Step 2: Convert to fraction form
    2,628,271.20/3,942,406.80 = 1,030,886.40/x
  3. Step 3: Cross multiply
    2,628,271.20x = 3,942,406.80 × 1,030,886.40
  4. Step 4: Simplify right side
    2,628,271.20x = 4,064,173,553,387.52
  5. Step 5: Solve for x
    x = 4,064,173,553,387.52/2,628,271.20
  6. Step 6: Final answer
    x = 1,546,329.60

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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.