Home / 1,889,869.47-2,836,132.59-1,709,179.53

Finding the Fourth Proportional to 1,889,869.47, 2,836,132.59 and 1,709,179.53

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Solution

The fourth proportional to 1,889,869.47, 2,836,132.59 and 1,709,179.53 is: 2,564,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,869.47 : 2,836,132.59 = 1,709,179.53 : x
  2. Step 2: Convert to fraction form
    1,889,869.47/2,836,132.59 = 1,709,179.53/x
  3. Step 3: Cross multiply
    1,889,869.47x = 2,836,132.59 × 1,709,179.53
  4. Step 4: Simplify right side
    1,889,869.47x = 4,847,459,767,193.88
  5. Step 5: Solve for x
    x = 4,847,459,767,193.88/1,889,869.47
  6. Step 6: Final answer
    x = 2,564,970.67

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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.