Home / 2,688,271.80-4,032,407.70-2,669,609.40

Finding the Fourth Proportional to 2,688,271.80, 4,032,407.70 and 2,669,609.40

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Solution

The fourth proportional to 2,688,271.80, 4,032,407.70 and 2,669,609.40 is: 4,004,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,271.80 : 4,032,407.70 = 2,669,609.40 : x
  2. Step 2: Convert to fraction form
    2,688,271.80/4,032,407.70 = 2,669,609.40/x
  3. Step 3: Cross multiply
    2,688,271.80x = 4,032,407.70 × 2,669,609.40
  4. Step 4: Simplify right side
    2,688,271.80x = 10,764,953,500,552.38
  5. Step 5: Solve for x
    x = 10,764,953,500,552.38/2,688,271.80
  6. Step 6: Final answer
    x = 4,004,414.10

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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.