Home / 4,579,926.80-6,869,890.20-2,688,803.60

Finding the Fourth Proportional to 4,579,926.80, 6,869,890.20 and 2,688,803.60

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Solution

The fourth proportional to 4,579,926.80, 6,869,890.20 and 2,688,803.60 is: 4,033,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579,926.80 : 6,869,890.20 = 2,688,803.60 : x
  2. Step 2: Convert to fraction form
    4,579,926.80/6,869,890.20 = 2,688,803.60/x
  3. Step 3: Cross multiply
    4,579,926.80x = 6,869,890.20 × 2,688,803.60
  4. Step 4: Simplify right side
    4,579,926.80x = 18,471,785,501,364.72
  5. Step 5: Solve for x
    x = 18,471,785,501,364.72/4,579,926.80
  6. Step 6: Final answer
    x = 4,033,205.40

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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.