Home / 2,228,685.76-3,075,602.40-1,210,091.20

Finding the Fourth Proportional to 2,228,685.76, 3,075,602.40 and 1,210,091.20

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Solution

The fourth proportional to 2,228,685.76, 3,075,602.40 and 1,210,091.20 is: 1,669,934.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,685.76 : 3,075,602.40 = 1,210,091.20 : x
  2. Step 2: Convert to fraction form
    2,228,685.76/3,075,602.40 = 1,210,091.20/x
  3. Step 3: Cross multiply
    2,228,685.76x = 3,075,602.40 × 1,210,091.20
  4. Step 4: Simplify right side
    2,228,685.76x = 3,721,759,398,938.88
  5. Step 5: Solve for x
    x = 3,721,759,398,938.88/2,228,685.76
  6. Step 6: Final answer
    x = 1,669,934.57

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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.