Home / 2,911,325.58-4,017,645.23-1,688,356.20

Finding the Fourth Proportional to 2,911,325.58, 4,017,645.23 and 1,688,356.20

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Solution

The fourth proportional to 2,911,325.58, 4,017,645.23 and 1,688,356.20 is: 2,329,940.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,325.58 : 4,017,645.23 = 1,688,356.20 : x
  2. Step 2: Convert to fraction form
    2,911,325.58/4,017,645.23 = 1,688,356.20/x
  3. Step 3: Cross multiply
    2,911,325.58x = 4,017,645.23 × 1,688,356.20
  4. Step 4: Simplify right side
    2,911,325.58x = 6,783,216,233,470.93
  5. Step 5: Solve for x
    x = 6,783,216,233,470.93/2,911,325.58
  6. Step 6: Final answer
    x = 2,329,940.79

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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.