Home / 2,018,026.20-3,025,532.70-1,219,139.40

Finding the Fourth Proportional to 2,018,026.20, 3,025,532.70 and 1,219,139.40

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Solution

The fourth proportional to 2,018,026.20, 3,025,532.70 and 1,219,139.40 is: 1,827,798.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,026.20 : 3,025,532.70 = 1,219,139.40 : x
  2. Step 2: Convert to fraction form
    2,018,026.20/3,025,532.70 = 1,219,139.40/x
  3. Step 3: Cross multiply
    2,018,026.20x = 3,025,532.70 × 1,219,139.40
  4. Step 4: Simplify right side
    2,018,026.20x = 3,688,546,120,558.38
  5. Step 5: Solve for x
    x = 3,688,546,120,558.38/2,018,026.20
  6. Step 6: Final answer
    x = 1,827,798.93

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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.