Home / 1,926,230.20-2,886,234.90-1,214,985.40

Finding the Fourth Proportional to 1,926,230.20, 2,886,234.90 and 1,214,985.40

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Solution

The fourth proportional to 1,926,230.20, 2,886,234.90 and 1,214,985.40 is: 1,820,516.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,230.20 : 2,886,234.90 = 1,214,985.40 : x
  2. Step 2: Convert to fraction form
    1,926,230.20/2,886,234.90 = 1,214,985.40/x
  3. Step 3: Cross multiply
    1,926,230.20x = 2,886,234.90 × 1,214,985.40
  4. Step 4: Simplify right side
    1,926,230.20x = 3,506,733,264,470.46
  5. Step 5: Solve for x
    x = 3,506,733,264,470.46/1,926,230.20
  6. Step 6: Final answer
    x = 1,820,516.19

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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.