Home / 2,035,020.78-2,808,188.19-1,129,531.50

Finding the Fourth Proportional to 2,035,020.78, 2,808,188.19 and 1,129,531.50

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Solution

The fourth proportional to 2,035,020.78, 2,808,188.19 and 1,129,531.50 is: 1,558,675.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035,020.78 : 2,808,188.19 = 1,129,531.50 : x
  2. Step 2: Convert to fraction form
    2,035,020.78/2,808,188.19 = 1,129,531.50/x
  3. Step 3: Cross multiply
    2,035,020.78x = 2,808,188.19 × 1,129,531.50
  4. Step 4: Simplify right side
    2,035,020.78x = 3,171,937,018,532.99
  5. Step 5: Solve for x
    x = 3,171,937,018,532.99/2,035,020.78
  6. Step 6: Final answer
    x = 1,558,675.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.