Home / 2,018,509.76-3,024,337.20-1,218,109.40

Finding the Fourth Proportional to 2,018,509.76, 3,024,337.20 and 1,218,109.40

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Solution

The fourth proportional to 2,018,509.76, 3,024,337.20 and 1,218,109.40 is: 1,825,095.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,509.76 : 3,024,337.20 = 1,218,109.40 : x
  2. Step 2: Convert to fraction form
    2,018,509.76/3,024,337.20 = 1,218,109.40/x
  3. Step 3: Cross multiply
    2,018,509.76x = 3,024,337.20 × 1,218,109.40
  4. Step 4: Simplify right side
    2,018,509.76x = 3,683,973,572,089.68
  5. Step 5: Solve for x
    x = 3,683,973,572,089.68/2,018,509.76
  6. Step 6: Final answer
    x = 1,825,095.74

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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.