Home / 2,911,325.66-4,017,645.34-1,688,356.28

Finding the Fourth Proportional to 2,911,325.66, 4,017,645.34 and 1,688,356.28

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Solution

The fourth proportional to 2,911,325.66, 4,017,645.34 and 1,688,356.28 is: 2,329,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,325.66 : 4,017,645.34 = 1,688,356.28 : x
  2. Step 2: Convert to fraction form
    2,911,325.66/4,017,645.34 = 1,688,356.28/x
  3. Step 3: Cross multiply
    2,911,325.66x = 4,017,645.34 × 1,688,356.28
  4. Step 4: Simplify right side
    2,911,325.66x = 6,783,216,740,601.74
  5. Step 5: Solve for x
    x = 6,783,216,740,601.74/2,911,325.66
  6. Step 6: Final answer
    x = 2,329,940.90

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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.