Home / 2,113,671-3,169,840.50-693,396.12

Finding the Fourth Proportional to 2,113,671, 3,169,840.50 and 693,396.12

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Solution

The fourth proportional to 2,113,671, 3,169,840.50 and 693,396.12 is: 1,039,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,671 : 3,169,840.50 = 693,396.12 : x
  2. Step 2: Convert to fraction form
    2,113,671/3,169,840.50 = 693,396.12/x
  3. Step 3: Cross multiply
    2,113,671x = 3,169,840.50 × 693,396.12
  4. Step 4: Simplify right side
    2,113,671x = 2,197,955,103,718.86
  5. Step 5: Solve for x
    x = 2,197,955,103,718.86/2,113,671
  6. Step 6: Final answer
    x = 1,039,875.70

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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.