Home / 2,688,284.20-4,032,426.30-1,005,039.40

Finding the Fourth Proportional to 2,688,284.20, 4,032,426.30 and 1,005,039.40

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Solution

The fourth proportional to 2,688,284.20, 4,032,426.30 and 1,005,039.40 is: 1,507,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,284.20 : 4,032,426.30 = 1,005,039.40 : x
  2. Step 2: Convert to fraction form
    2,688,284.20/4,032,426.30 = 1,005,039.40/x
  3. Step 3: Cross multiply
    2,688,284.20x = 4,032,426.30 × 1,005,039.40
  4. Step 4: Simplify right side
    2,688,284.20x = 4,052,747,309,096.22
  5. Step 5: Solve for x
    x = 4,052,747,309,096.22/2,688,284.20
  6. Step 6: Final answer
    x = 1,507,559.10

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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.