Home / 1,870,709.40-2,801,916.90-748,200.60

Finding the Fourth Proportional to 1,870,709.40, 2,801,916.90 and 748,200.60

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Solution

The fourth proportional to 1,870,709.40, 2,801,916.90 and 748,200.60 is: 1,120,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,709.40 : 2,801,916.90 = 748,200.60 : x
  2. Step 2: Convert to fraction form
    1,870,709.40/2,801,916.90 = 748,200.60/x
  3. Step 3: Cross multiply
    1,870,709.40x = 2,801,916.90 × 748,200.60
  4. Step 4: Simplify right side
    1,870,709.40x = 2,096,395,905,730.14
  5. Step 5: Solve for x
    x = 2,096,395,905,730.14/1,870,709.40
  6. Step 6: Final answer
    x = 1,120,642.20

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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.