Home / 2,907,995-4,362,050.82-778,075.70

Finding the Fourth Proportional to 2,907,995, 4,362,050.82 and 778,075.70

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Solution

The fourth proportional to 2,907,995, 4,362,050.82 and 778,075.70 is: 1,167,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,995 : 4,362,050.82 = 778,075.70 : x
  2. Step 2: Convert to fraction form
    2,907,995/4,362,050.82 = 778,075.70/x
  3. Step 3: Cross multiply
    2,907,995x = 4,362,050.82 × 778,075.70
  4. Step 4: Simplify right side
    2,907,995x = 3,394,005,745,207.07
  5. Step 5: Solve for x
    x = 3,394,005,745,207.07/2,907,995
  6. Step 6: Final answer
    x = 1,167,129.15

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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.