Home / 2,956,513.02-4,080,640.95-1,922,220.78

Finding the Fourth Proportional to 2,956,513.02, 4,080,640.95 and 1,922,220.78

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Solution

The fourth proportional to 2,956,513.02, 4,080,640.95 and 1,922,220.78 is: 2,653,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956,513.02 : 4,080,640.95 = 1,922,220.78 : x
  2. Step 2: Convert to fraction form
    2,956,513.02/4,080,640.95 = 1,922,220.78/x
  3. Step 3: Cross multiply
    2,956,513.02x = 4,080,640.95 × 1,922,220.78
  4. Step 4: Simplify right side
    2,956,513.02x = 7,843,892,829,808.94
  5. Step 5: Solve for x
    x = 7,843,892,829,808.94/2,956,513.02
  6. Step 6: Final answer
    x = 2,653,089.22

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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.