Home / 2,775,821.16-3,832,804.26-2,130,218.76

Finding the Fourth Proportional to 2,775,821.16, 3,832,804.26 and 2,130,218.76

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Solution

The fourth proportional to 2,775,821.16, 3,832,804.26 and 2,130,218.76 is: 2,941,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,821.16 : 3,832,804.26 = 2,130,218.76 : x
  2. Step 2: Convert to fraction form
    2,775,821.16/3,832,804.26 = 2,130,218.76/x
  3. Step 3: Cross multiply
    2,775,821.16x = 3,832,804.26 × 2,130,218.76
  4. Step 4: Simplify right side
    2,775,821.16x = 8,164,711,538,059.92
  5. Step 5: Solve for x
    x = 8,164,711,538,059.92/2,775,821.16
  6. Step 6: Final answer
    x = 2,941,368.00

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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.