Home / 3,616,392.08-4,990,927.39-1,985,075.78

Finding the Fourth Proportional to 3,616,392.08, 4,990,927.39 and 1,985,075.78

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Solution

The fourth proportional to 3,616,392.08, 4,990,927.39 and 1,985,075.78 is: 2,739,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616,392.08 : 4,990,927.39 = 1,985,075.78 : x
  2. Step 2: Convert to fraction form
    3,616,392.08/4,990,927.39 = 1,985,075.78/x
  3. Step 3: Cross multiply
    3,616,392.08x = 4,990,927.39 × 1,985,075.78
  4. Step 4: Simplify right side
    3,616,392.08x = 9,907,369,051,710.29
  5. Step 5: Solve for x
    x = 9,907,369,051,710.29/3,616,392.08
  6. Step 6: Final answer
    x = 2,739,572.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.