Home / 3,157,856.53-4,357,838.89-1,707,548.49

Finding the Fourth Proportional to 3,157,856.53, 4,357,838.89 and 1,707,548.49

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Solution

The fourth proportional to 3,157,856.53, 4,357,838.89 and 1,707,548.49 is: 2,356,415.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,856.53 : 4,357,838.89 = 1,707,548.49 : x
  2. Step 2: Convert to fraction form
    3,157,856.53/4,357,838.89 = 1,707,548.49/x
  3. Step 3: Cross multiply
    3,157,856.53x = 4,357,838.89 × 1,707,548.49
  4. Step 4: Simplify right side
    3,157,856.53x = 7,441,221,216,282.78
  5. Step 5: Solve for x
    x = 7,441,221,216,282.78/3,157,856.53
  6. Step 6: Final answer
    x = 2,356,415.23

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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.