Home / 1,920,050.91-2,880,075.43-572,179.12

Finding the Fourth Proportional to 1,920,050.91, 2,880,075.43 and 572,179.12

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Solution

The fourth proportional to 1,920,050.91, 2,880,075.43 and 572,179.12 is: 858,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,050.91 : 2,880,075.43 = 572,179.12 : x
  2. Step 2: Convert to fraction form
    1,920,050.91/2,880,075.43 = 572,179.12/x
  3. Step 3: Cross multiply
    1,920,050.91x = 2,880,075.43 × 572,179.12
  4. Step 4: Simplify right side
    1,920,050.91x = 1,647,919,025,071.02
  5. Step 5: Solve for x
    x = 1,647,919,025,071.02/1,920,050.91
  6. Step 6: Final answer
    x = 858,268.40

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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.