Home / 1,947,793.16-2,687,968.07-1,088,389.64

Finding the Fourth Proportional to 1,947,793.16, 2,687,968.07 and 1,088,389.64

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Solution

The fourth proportional to 1,947,793.16, 2,687,968.07 and 1,088,389.64 is: 1,501,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,793.16 : 2,687,968.07 = 1,088,389.64 : x
  2. Step 2: Convert to fraction form
    1,947,793.16/2,687,968.07 = 1,088,389.64/x
  3. Step 3: Cross multiply
    1,947,793.16x = 2,687,968.07 × 1,088,389.64
  4. Step 4: Simplify right side
    1,947,793.16x = 2,925,556,600,038.79
  5. Step 5: Solve for x
    x = 2,925,556,600,038.79/1,947,793.16
  6. Step 6: Final answer
    x = 1,501,985.25

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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.