Home / 2,956,813.20-4,435,219.80-1,947,075.30

Finding the Fourth Proportional to 2,956,813.20, 4,435,219.80 and 1,947,075.30

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Solution

The fourth proportional to 2,956,813.20, 4,435,219.80 and 1,947,075.30 is: 2,920,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956,813.20 : 4,435,219.80 = 1,947,075.30 : x
  2. Step 2: Convert to fraction form
    2,956,813.20/4,435,219.80 = 1,947,075.30/x
  3. Step 3: Cross multiply
    2,956,813.20x = 4,435,219.80 × 1,947,075.30
  4. Step 4: Simplify right side
    2,956,813.20x = 8,635,706,922,650.94
  5. Step 5: Solve for x
    x = 8,635,706,922,650.94/2,956,813.20
  6. Step 6: Final answer
    x = 2,920,612.95

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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.