Home / 1,918,512.77-2,878,053.46-638,702.24

Finding the Fourth Proportional to 1,918,512.77, 2,878,053.46 and 638,702.24

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Solution

The fourth proportional to 1,918,512.77, 2,878,053.46 and 638,702.24 is: 958,148.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,512.77 : 2,878,053.46 = 638,702.24 : x
  2. Step 2: Convert to fraction form
    1,918,512.77/2,878,053.46 = 638,702.24/x
  3. Step 3: Cross multiply
    1,918,512.77x = 2,878,053.46 × 638,702.24
  4. Step 4: Simplify right side
    1,918,512.77x = 1,838,219,175,754.73
  5. Step 5: Solve for x
    x = 1,838,219,175,754.73/1,918,512.77
  6. Step 6: Final answer
    x = 958,148.00

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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.