Home / 2,911,934.14-4,018,292.28-1,605,128.92

Finding the Fourth Proportional to 2,911,934.14, 4,018,292.28 and 1,605,128.92

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Solution

The fourth proportional to 2,911,934.14, 4,018,292.28 and 1,605,128.92 is: 2,214,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,934.14 : 4,018,292.28 = 1,605,128.92 : x
  2. Step 2: Convert to fraction form
    2,911,934.14/4,018,292.28 = 1,605,128.92/x
  3. Step 3: Cross multiply
    2,911,934.14x = 4,018,292.28 × 1,605,128.92
  4. Step 4: Simplify right side
    2,911,934.14x = 6,449,877,147,640.74
  5. Step 5: Solve for x
    x = 6,449,877,147,640.74/2,911,934.14
  6. Step 6: Final answer
    x = 2,214,980.43

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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.