Home / 6,879,907.30-9,494,278.16-3,782,483.36

Finding the Fourth Proportional to 6,879,907.30, 9,494,278.16 and 3,782,483.36

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Solution

The fourth proportional to 6,879,907.30, 9,494,278.16 and 3,782,483.36 is: 5,219,830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879,907.30 : 9,494,278.16 = 3,782,483.36 : x
  2. Step 2: Convert to fraction form
    6,879,907.30/9,494,278.16 = 3,782,483.36/x
  3. Step 3: Cross multiply
    6,879,907.30x = 9,494,278.16 × 3,782,483.36
  4. Step 4: Simplify right side
    6,879,907.30x = 35,911,949,155,411.41
  5. Step 5: Solve for x
    x = 35,911,949,155,411.41/6,879,907.30
  6. Step 6: Final answer
    x = 5,219,830.38

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1.5x scale

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.