Home / 2,390,816.32-3,299,327.75-1,358,325.92

Finding the Fourth Proportional to 2,390,816.32, 3,299,327.75 and 1,358,325.92

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Solution

The fourth proportional to 2,390,816.32, 3,299,327.75 and 1,358,325.92 is: 1,874,490.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,816.32 : 3,299,327.75 = 1,358,325.92 : x
  2. Step 2: Convert to fraction form
    2,390,816.32/3,299,327.75 = 1,358,325.92/x
  3. Step 3: Cross multiply
    2,390,816.32x = 3,299,327.75 × 1,358,325.92
  4. Step 4: Simplify right side
    2,390,816.32x = 4,481,562,401,400.28
  5. Step 5: Solve for x
    x = 4,481,562,401,400.28/2,390,816.32
  6. Step 6: Final answer
    x = 1,874,490.47

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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.