Home / 2,390,805.32-3,299,313.87-1,303,077.78

Finding the Fourth Proportional to 2,390,805.32, 3,299,313.87 and 1,303,077.78

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Solution

The fourth proportional to 2,390,805.32, 3,299,313.87 and 1,303,077.78 is: 1,798,248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,805.32 : 3,299,313.87 = 1,303,077.78 : x
  2. Step 2: Convert to fraction form
    2,390,805.32/3,299,313.87 = 1,303,077.78/x
  3. Step 3: Cross multiply
    2,390,805.32x = 3,299,313.87 × 1,303,077.78
  4. Step 4: Simplify right side
    2,390,805.32x = 4,299,262,593,242.81
  5. Step 5: Solve for x
    x = 4,299,262,593,242.81/2,390,805.32
  6. Step 6: Final answer
    x = 1,798,248.72

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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.