Home / 3,125,000.20-4,678,161.08-1,890,271.47

Finding the Fourth Proportional to 3,125,000.20, 4,678,161.08 and 1,890,271.47

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Solution

The fourth proportional to 3,125,000.20, 4,678,161.08 and 1,890,271.47 is: 2,829,758.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,000.20 : 4,678,161.08 = 1,890,271.47 : x
  2. Step 2: Convert to fraction form
    3,125,000.20/4,678,161.08 = 1,890,271.47/x
  3. Step 3: Cross multiply
    3,125,000.20x = 4,678,161.08 × 1,890,271.47
  4. Step 4: Simplify right side
    3,125,000.20x = 8,842,994,421,588.39
  5. Step 5: Solve for x
    x = 8,842,994,421,588.39/3,125,000.20
  6. Step 6: Final answer
    x = 2,829,758.03

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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.