Home / 4,990,717.20-7,486,075.80-1,625,264.40

Finding the Fourth Proportional to 4,990,717.20, 7,486,075.80 and 1,625,264.40

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Solution

The fourth proportional to 4,990,717.20, 7,486,075.80 and 1,625,264.40 is: 2,437,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,717.20 : 7,486,075.80 = 1,625,264.40 : x
  2. Step 2: Convert to fraction form
    4,990,717.20/7,486,075.80 = 1,625,264.40/x
  3. Step 3: Cross multiply
    4,990,717.20x = 7,486,075.80 × 1,625,264.40
  4. Step 4: Simplify right side
    4,990,717.20x = 12,166,852,493,441.52
  5. Step 5: Solve for x
    x = 12,166,852,493,441.52/4,990,717.20
  6. Step 6: Final answer
    x = 2,437,896.60

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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.