Home / 2,831,815.01-4,249,837.96-1,918,832.71

Finding the Fourth Proportional to 2,831,815.01, 4,249,837.96 and 1,918,832.71

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Solution

The fourth proportional to 2,831,815.01, 4,249,837.96 and 1,918,832.71 is: 2,879,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,815.01 : 4,249,837.96 = 1,918,832.71 : x
  2. Step 2: Convert to fraction form
    2,831,815.01/4,249,837.96 = 1,918,832.71/x
  3. Step 3: Cross multiply
    2,831,815.01x = 4,249,837.96 × 1,918,832.71
  4. Step 4: Simplify right side
    2,831,815.01x = 8,154,728,068,598.48
  5. Step 5: Solve for x
    x = 8,154,728,068,598.48/2,831,815.01
  6. Step 6: Final answer
    x = 2,879,682.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.