Home / 2,585,903.16-3,878,856.90-812,975.16

Finding the Fourth Proportional to 2,585,903.16, 3,878,856.90 and 812,975.16

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Solution

The fourth proportional to 2,585,903.16, 3,878,856.90 and 812,975.16 is: 1,219,463.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,903.16 : 3,878,856.90 = 812,975.16 : x
  2. Step 2: Convert to fraction form
    2,585,903.16/3,878,856.90 = 812,975.16/x
  3. Step 3: Cross multiply
    2,585,903.16x = 3,878,856.90 × 812,975.16
  4. Step 4: Simplify right side
    2,585,903.16x = 3,153,414,308,894.60
  5. Step 5: Solve for x
    x = 3,153,414,308,894.60/2,585,903.16
  6. Step 6: Final answer
    x = 1,219,463.42

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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.