Home / 1,890,725.48-2,608,734.66-1,155,492.20

Finding the Fourth Proportional to 1,890,725.48, 2,608,734.66 and 1,155,492.20

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Solution

The fourth proportional to 1,890,725.48, 2,608,734.66 and 1,155,492.20 is: 1,594,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,725.48 : 2,608,734.66 = 1,155,492.20 : x
  2. Step 2: Convert to fraction form
    1,890,725.48/2,608,734.66 = 1,155,492.20/x
  3. Step 3: Cross multiply
    1,890,725.48x = 2,608,734.66 × 1,155,492.20
  4. Step 4: Simplify right side
    1,890,725.48x = 3,014,372,551,499.65
  5. Step 5: Solve for x
    x = 3,014,372,551,499.65/1,890,725.48
  6. Step 6: Final answer
    x = 1,594,294.14

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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.