Home / 2,051,806.95-2,831,838.03-1,389,218.31

Finding the Fourth Proportional to 2,051,806.95, 2,831,838.03 and 1,389,218.31

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Solution

The fourth proportional to 2,051,806.95, 2,831,838.03 and 1,389,218.31 is: 1,917,354.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,806.95 : 2,831,838.03 = 1,389,218.31 : x
  2. Step 2: Convert to fraction form
    2,051,806.95/2,831,838.03 = 1,389,218.31/x
  3. Step 3: Cross multiply
    2,051,806.95x = 2,831,838.03 × 1,389,218.31
  4. Step 4: Simplify right side
    2,051,806.95x = 3,934,041,242,230.33
  5. Step 5: Solve for x
    x = 3,934,041,242,230.33/2,051,806.95
  6. Step 6: Final answer
    x = 1,917,354.48

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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.