Home / 3,521,878.40-4,860,210.12-1,994,283.20

Finding the Fourth Proportional to 3,521,878.40, 4,860,210.12 and 1,994,283.20

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Solution

The fourth proportional to 3,521,878.40, 4,860,210.12 and 1,994,283.20 is: 2,752,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521,878.40 : 4,860,210.12 = 1,994,283.20 : x
  2. Step 2: Convert to fraction form
    3,521,878.40/4,860,210.12 = 1,994,283.20/x
  3. Step 3: Cross multiply
    3,521,878.40x = 4,860,210.12 × 1,994,283.20
  4. Step 4: Simplify right side
    3,521,878.40x = 9,692,635,390,785.99
  5. Step 5: Solve for x
    x = 9,692,635,390,785.99/3,521,878.40
  6. Step 6: Final answer
    x = 2,752,120.97

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1.5x scale

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.