Home / 2,832,678.45-3,908,973.98-1,608,980.15

Finding the Fourth Proportional to 2,832,678.45, 3,908,973.98 and 1,608,980.15

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Solution

The fourth proportional to 2,832,678.45, 3,908,973.98 and 1,608,980.15 is: 2,220,323.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832,678.45 : 3,908,973.98 = 1,608,980.15 : x
  2. Step 2: Convert to fraction form
    2,832,678.45/3,908,973.98 = 1,608,980.15/x
  3. Step 3: Cross multiply
    2,832,678.45x = 3,908,973.98 × 1,608,980.15
  4. Step 4: Simplify right side
    2,832,678.45x = 6,289,461,513,096.73
  5. Step 5: Solve for x
    x = 6,289,461,513,096.73/2,832,678.45
  6. Step 6: Final answer
    x = 2,220,323.14

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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.