Home / 5,142,907.84-7,097,309.04-2,819,646.40

Finding the Fourth Proportional to 5,142,907.84, 7,097,309.04 and 2,819,646.40

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Solution

The fourth proportional to 5,142,907.84, 7,097,309.04 and 2,819,646.40 is: 3,891,164.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142,907.84 : 7,097,309.04 = 2,819,646.40 : x
  2. Step 2: Convert to fraction form
    5,142,907.84/7,097,309.04 = 2,819,646.40/x
  3. Step 3: Cross multiply
    5,142,907.84x = 7,097,309.04 × 2,819,646.40
  4. Step 4: Simplify right side
    5,142,907.84x = 20,011,901,884,323.46
  5. Step 5: Solve for x
    x = 20,011,901,884,323.46/5,142,907.84
  6. Step 6: Final answer
    x = 3,891,164.79

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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.