Home / 1,920,051.16-2,880,075.81-572,179.36

Finding the Fourth Proportional to 1,920,051.16, 2,880,075.81 and 572,179.36

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Solution

The fourth proportional to 1,920,051.16, 2,880,075.81 and 572,179.36 is: 858,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,051.16 : 2,880,075.81 = 572,179.36 : x
  2. Step 2: Convert to fraction form
    1,920,051.16/2,880,075.81 = 572,179.36/x
  3. Step 3: Cross multiply
    1,920,051.16x = 2,880,075.81 × 572,179.36
  4. Step 4: Simplify right side
    1,920,051.16x = 1,647,919,933,717.28
  5. Step 5: Solve for x
    x = 1,647,919,933,717.28/1,920,051.16
  6. Step 6: Final answer
    x = 858,268.76

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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.