Home / 3,538,730.58-4,883,303.43-1,989,948.21

Finding the Fourth Proportional to 3,538,730.58, 4,883,303.43 and 1,989,948.21

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Solution

The fourth proportional to 3,538,730.58, 4,883,303.43 and 1,989,948.21 is: 2,746,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538,730.58 : 4,883,303.43 = 1,989,948.21 : x
  2. Step 2: Convert to fraction form
    3,538,730.58/4,883,303.43 = 1,989,948.21/x
  3. Step 3: Cross multiply
    3,538,730.58x = 4,883,303.43 × 1,989,948.21
  4. Step 4: Simplify right side
    3,538,730.58x = 9,717,520,919,415.36
  5. Step 5: Solve for x
    x = 9,717,520,919,415.36/3,538,730.58
  6. Step 6: Final answer
    x = 2,746,047.12

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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.