Home / 2,997,843.02-4,138,374.40-1,911,574.70

Finding the Fourth Proportional to 2,997,843.02, 4,138,374.40 and 1,911,574.70

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Solution

The fourth proportional to 2,997,843.02, 4,138,374.40 and 1,911,574.70 is: 2,638,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997,843.02 : 4,138,374.40 = 1,911,574.70 : x
  2. Step 2: Convert to fraction form
    2,997,843.02/4,138,374.40 = 1,911,574.70/x
  3. Step 3: Cross multiply
    2,997,843.02x = 4,138,374.40 × 1,911,574.70
  4. Step 4: Simplify right side
    2,997,843.02x = 7,910,811,792,215.78
  5. Step 5: Solve for x
    x = 7,910,811,792,215.78/2,997,843.02
  6. Step 6: Final answer
    x = 2,638,834.57

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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.