Home / 1,911,932.20-2,632,775.75-1,869,498.93

Finding the Fourth Proportional to 1,911,932.20, 2,632,775.75 and 1,869,498.93

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Solution

The fourth proportional to 1,911,932.20, 2,632,775.75 and 1,869,498.93 is: 2,574,344.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,932.20 : 2,632,775.75 = 1,869,498.93 : x
  2. Step 2: Convert to fraction form
    1,911,932.20/2,632,775.75 = 1,869,498.93/x
  3. Step 3: Cross multiply
    1,911,932.20x = 2,632,775.75 × 1,869,498.93
  4. Step 4: Simplify right side
    1,911,932.20x = 4,921,971,465,606.92
  5. Step 5: Solve for x
    x = 4,921,971,465,606.92/1,911,932.20
  6. Step 6: Final answer
    x = 2,574,344.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.