Home / 1,475,135.80-2,212,703.70-1,018,490.20

Finding the Fourth Proportional to 1,475,135.80, 2,212,703.70 and 1,018,490.20

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Solution

The fourth proportional to 1,475,135.80, 2,212,703.70 and 1,018,490.20 is: 1,527,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,135.80 : 2,212,703.70 = 1,018,490.20 : x
  2. Step 2: Convert to fraction form
    1,475,135.80/2,212,703.70 = 1,018,490.20/x
  3. Step 3: Cross multiply
    1,475,135.80x = 2,212,703.70 × 1,018,490.20
  4. Step 4: Simplify right side
    1,475,135.80x = 2,253,617,033,953.74
  5. Step 5: Solve for x
    x = 2,253,617,033,953.74/1,475,135.80
  6. Step 6: Final answer
    x = 1,527,735.30

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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.