Home / 2,048,000.30-3,072,000.45-1,931,878.70

Finding the Fourth Proportional to 2,048,000.30, 3,072,000.45 and 1,931,878.70

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Solution

The fourth proportional to 2,048,000.30, 3,072,000.45 and 1,931,878.70 is: 2,897,818.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048,000.30 : 3,072,000.45 = 1,931,878.70 : x
  2. Step 2: Convert to fraction form
    2,048,000.30/3,072,000.45 = 1,931,878.70/x
  3. Step 3: Cross multiply
    2,048,000.30x = 3,072,000.45 × 1,931,878.70
  4. Step 4: Simplify right side
    2,048,000.30x = 5,934,732,235,745.42
  5. Step 5: Solve for x
    x = 5,934,732,235,745.42/2,048,000.30
  6. Step 6: Final answer
    x = 2,897,818.05

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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.