Home / 4,672,990.18-7,009,428.87-1,214,423.50

Finding the Fourth Proportional to 4,672,990.18, 7,009,428.87 and 1,214,423.50

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Solution

The fourth proportional to 4,672,990.18, 7,009,428.87 and 1,214,423.50 is: 1,821,620.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672,990.18 : 7,009,428.87 = 1,214,423.50 : x
  2. Step 2: Convert to fraction form
    4,672,990.18/7,009,428.87 = 1,214,423.50/x
  3. Step 3: Cross multiply
    4,672,990.18x = 7,009,428.87 × 1,214,423.50
  4. Step 4: Simplify right side
    4,672,990.18x = 8,512,415,141,306.45
  5. Step 5: Solve for x
    x = 8,512,415,141,306.45/4,672,990.18
  6. Step 6: Final answer
    x = 1,821,620.59

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1.5x scale

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.