Home / 1,877,685.40-2,591,015.34-1,152,563.68

Finding the Fourth Proportional to 1,877,685.40, 2,591,015.34 and 1,152,563.68

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Solution

The fourth proportional to 1,877,685.40, 2,591,015.34 and 1,152,563.68 is: 1,590,420.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,685.40 : 2,591,015.34 = 1,152,563.68 : x
  2. Step 2: Convert to fraction form
    1,877,685.40/2,591,015.34 = 1,152,563.68/x
  3. Step 3: Cross multiply
    1,877,685.40x = 2,591,015.34 × 1,152,563.68
  4. Step 4: Simplify right side
    1,877,685.40x = 2,986,310,175,206.85
  5. Step 5: Solve for x
    x = 2,986,310,175,206.85/1,877,685.40
  6. Step 6: Final answer
    x = 1,590,420.94

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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.