Home / 1,905,803.28-2,856,017.28-1,053,258.84

Finding the Fourth Proportional to 1,905,803.28, 2,856,017.28 and 1,053,258.84

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Solution

The fourth proportional to 1,905,803.28, 2,856,017.28 and 1,053,258.84 is: 1,578,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,803.28 : 2,856,017.28 = 1,053,258.84 : x
  2. Step 2: Convert to fraction form
    1,905,803.28/2,856,017.28 = 1,053,258.84/x
  3. Step 3: Cross multiply
    1,905,803.28x = 2,856,017.28 × 1,053,258.84
  4. Step 4: Simplify right side
    1,905,803.28x = 3,008,125,447,352.76
  5. Step 5: Solve for x
    x = 3,008,125,447,352.76/1,905,803.28
  6. Step 6: Final answer
    x = 1,578,402.91

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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.