Home / 2,880,075.24-4,320,111.47-858,267.54

Finding the Fourth Proportional to 2,880,075.24, 4,320,111.47 and 858,267.54

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Solution

The fourth proportional to 2,880,075.24, 4,320,111.47 and 858,267.54 is: 1,287,400.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,075.24 : 4,320,111.47 = 858,267.54 : x
  2. Step 2: Convert to fraction form
    2,880,075.24/4,320,111.47 = 858,267.54/x
  3. Step 3: Cross multiply
    2,880,075.24x = 4,320,111.47 × 858,267.54
  4. Step 4: Simplify right side
    2,880,075.24x = 3,707,811,439,591.35
  5. Step 5: Solve for x
    x = 3,707,811,439,591.35/2,880,075.24
  6. Step 6: Final answer
    x = 1,287,400.89

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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.