Home / 1,415,735.40-2,123,603.10-1,020,107.10

Finding the Fourth Proportional to 1,415,735.40, 2,123,603.10 and 1,020,107.10

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Solution

The fourth proportional to 1,415,735.40, 2,123,603.10 and 1,020,107.10 is: 1,530,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,735.40 : 2,123,603.10 = 1,020,107.10 : x
  2. Step 2: Convert to fraction form
    1,415,735.40/2,123,603.10 = 1,020,107.10/x
  3. Step 3: Cross multiply
    1,415,735.40x = 2,123,603.10 × 1,020,107.10
  4. Step 4: Simplify right side
    1,415,735.40x = 2,166,302,599,892.01
  5. Step 5: Solve for x
    x = 2,166,302,599,892.01/1,415,735.40
  6. Step 6: Final answer
    x = 1,530,160.65

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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.