Home / 3,011,237.80-4,513,420.86-1,212,970.60

Finding the Fourth Proportional to 3,011,237.80, 4,513,420.86 and 1,212,970.60

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Solution

The fourth proportional to 3,011,237.80, 4,513,420.86 and 1,212,970.60 is: 1,818,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011,237.80 : 4,513,420.86 = 1,212,970.60 : x
  2. Step 2: Convert to fraction form
    3,011,237.80/4,513,420.86 = 1,212,970.60/x
  3. Step 3: Cross multiply
    3,011,237.80x = 4,513,420.86 × 1,212,970.60
  4. Step 4: Simplify right side
    3,011,237.80x = 5,474,646,808,606.72
  5. Step 5: Solve for x
    x = 5,474,646,808,606.72/3,011,237.80
  6. Step 6: Final answer
    x = 1,818,071.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.