Home / 2,177,291.49-3,004,764.78-1,210,437.91

Finding the Fourth Proportional to 2,177,291.49, 3,004,764.78 and 1,210,437.91

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Solution

The fourth proportional to 2,177,291.49, 3,004,764.78 and 1,210,437.91 is: 1,670,461.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,291.49 : 3,004,764.78 = 1,210,437.91 : x
  2. Step 2: Convert to fraction form
    2,177,291.49/3,004,764.78 = 1,210,437.91/x
  3. Step 3: Cross multiply
    2,177,291.49x = 3,004,764.78 × 1,210,437.91
  4. Step 4: Simplify right side
    2,177,291.49x = 3,637,081,200,344.81
  5. Step 5: Solve for x
    x = 3,637,081,200,344.81/2,177,291.49
  6. Step 6: Final answer
    x = 1,670,461.31

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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.