Home / 1,871,153.76-2,581,602.74-1,145,244.72

Finding the Fourth Proportional to 1,871,153.76, 2,581,602.74 and 1,145,244.72

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Solution

The fourth proportional to 1,871,153.76, 2,581,602.74 and 1,145,244.72 is: 1,580,076.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,153.76 : 2,581,602.74 = 1,145,244.72 : x
  2. Step 2: Convert to fraction form
    1,871,153.76/2,581,602.74 = 1,145,244.72/x
  3. Step 3: Cross multiply
    1,871,153.76x = 2,581,602.74 × 1,145,244.72
  4. Step 4: Simplify right side
    1,871,153.76x = 2,956,566,907,122.53
  5. Step 5: Solve for x
    x = 2,956,566,907,122.53/1,871,153.76
  6. Step 6: Final answer
    x = 1,580,076.94

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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.