Home / 1,808,777.96-2,495,956.16-992,978.36

Finding the Fourth Proportional to 1,808,777.96, 2,495,956.16 and 992,978.36

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Solution

The fourth proportional to 1,808,777.96, 2,495,956.16 and 992,978.36 is: 1,370,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,777.96 : 2,495,956.16 = 992,978.36 : x
  2. Step 2: Convert to fraction form
    1,808,777.96/2,495,956.16 = 992,978.36/x
  3. Step 3: Cross multiply
    1,808,777.96x = 2,495,956.16 × 992,978.36
  4. Step 4: Simplify right side
    1,808,777.96x = 2,478,430,436,944.03
  5. Step 5: Solve for x
    x = 2,478,430,436,944.03/1,808,777.96
  6. Step 6: Final answer
    x = 1,370,223.71

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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.