Home / 2,177,405.47-3,004,679.37-1,210,510.90

Finding the Fourth Proportional to 2,177,405.47, 3,004,679.37 and 1,210,510.90

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Solution

The fourth proportional to 2,177,405.47, 3,004,679.37 and 1,210,510.90 is: 1,670,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,405.47 : 3,004,679.37 = 1,210,510.90 : x
  2. Step 2: Convert to fraction form
    2,177,405.47/3,004,679.37 = 1,210,510.90/x
  3. Step 3: Cross multiply
    2,177,405.47x = 3,004,679.37 × 1,210,510.90
  4. Step 4: Simplify right side
    2,177,405.47x = 3,637,197,128,390.13
  5. Step 5: Solve for x
    x = 3,637,197,128,390.13/2,177,405.47
  6. Step 6: Final answer
    x = 1,670,427.11

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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.