Home / 1,679,430.94-2,316,188.54-1,419,061.90

Finding the Fourth Proportional to 1,679,430.94, 2,316,188.54 and 1,419,061.90

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Solution

The fourth proportional to 1,679,430.94, 2,316,188.54 and 1,419,061.90 is: 1,957,100.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,430.94 : 2,316,188.54 = 1,419,061.90 : x
  2. Step 2: Convert to fraction form
    1,679,430.94/2,316,188.54 = 1,419,061.90/x
  3. Step 3: Cross multiply
    1,679,430.94x = 2,316,188.54 × 1,419,061.90
  4. Step 4: Simplify right side
    1,679,430.94x = 3,286,814,910,330.63
  5. Step 5: Solve for x
    x = 3,286,814,910,330.63/1,679,430.94
  6. Step 6: Final answer
    x = 1,957,100.37

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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.