Home / 2,911,916.59-4,018,268.37-1,605,111.48

Finding the Fourth Proportional to 2,911,916.59, 4,018,268.37 and 1,605,111.48

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Solution

The fourth proportional to 2,911,916.59, 4,018,268.37 and 1,605,111.48 is: 2,214,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,916.59 : 4,018,268.37 = 1,605,111.48 : x
  2. Step 2: Convert to fraction form
    2,911,916.59/4,018,268.37 = 1,605,111.48/x
  3. Step 3: Cross multiply
    2,911,916.59x = 4,018,268.37 × 1,605,111.48
  4. Step 4: Simplify right side
    2,911,916.59x = 6,449,768,690,407.89
  5. Step 5: Solve for x
    x = 6,449,768,690,407.89/2,911,916.59
  6. Step 6: Final answer
    x = 2,214,956.54

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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.