Home / 2,458,427.40-3,391,423.74-1,642,831.32

Finding the Fourth Proportional to 2,458,427.40, 3,391,423.74 and 1,642,831.32

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Solution

The fourth proportional to 2,458,427.40, 3,391,423.74 and 1,642,831.32 is: 2,266,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458,427.40 : 3,391,423.74 = 1,642,831.32 : x
  2. Step 2: Convert to fraction form
    2,458,427.40/3,391,423.74 = 1,642,831.32/x
  3. Step 3: Cross multiply
    2,458,427.40x = 3,391,423.74 × 1,642,831.32
  4. Step 4: Simplify right side
    2,458,427.40x = 5,571,537,139,463.54
  5. Step 5: Solve for x
    x = 5,571,537,139,463.54/2,458,427.40
  6. Step 6: Final answer
    x = 2,266,301.27

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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.