Home / 6,920,957.40-10,385,154.18-2,880,231

Finding the Fourth Proportional to 6,920,957.40, 10,385,154.18 and 2,880,231

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Solution

The fourth proportional to 6,920,957.40, 10,385,154.18 and 2,880,231 is: 4,321,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,957.40 : 10,385,154.18 = 2,880,231 : x
  2. Step 2: Convert to fraction form
    6,920,957.40/10,385,154.18 = 2,880,231/x
  3. Step 3: Cross multiply
    6,920,957.40x = 10,385,154.18 × 2,880,231
  4. Step 4: Simplify right side
    6,920,957.40x = 29,911,643,009,015.58
  5. Step 5: Solve for x
    x = 29,911,643,009,015.58/6,920,957.40
  6. Step 6: Final answer
    x = 4,321,893.82

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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.