Home / 2,051,885.04-2,831,945.76-1,389,296.40

Finding the Fourth Proportional to 2,051,885.04, 2,831,945.76 and 1,389,296.40

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Solution

The fourth proportional to 2,051,885.04, 2,831,945.76 and 1,389,296.40 is: 1,917,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,885.04 : 2,831,945.76 = 1,389,296.40 : x
  2. Step 2: Convert to fraction form
    2,051,885.04/2,831,945.76 = 1,389,296.40/x
  3. Step 3: Cross multiply
    2,051,885.04x = 2,831,945.76 × 1,389,296.40
  4. Step 4: Simplify right side
    2,051,885.04x = 3,934,412,049,363.26
  5. Step 5: Solve for x
    x = 3,934,412,049,363.26/2,051,885.04
  6. Step 6: Final answer
    x = 1,917,462.22

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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.