Home / 1,753,871.53-2,402,763.77-1,688,299.21

Finding the Fourth Proportional to 1,753,871.53, 2,402,763.77 and 1,688,299.21

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Solution

The fourth proportional to 1,753,871.53, 2,402,763.77 and 1,688,299.21 is: 2,312,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,871.53 : 2,402,763.77 = 1,688,299.21 : x
  2. Step 2: Convert to fraction form
    1,753,871.53/2,402,763.77 = 1,688,299.21/x
  3. Step 3: Cross multiply
    1,753,871.53x = 2,402,763.77 × 1,688,299.21
  4. Step 4: Simplify right side
    1,753,871.53x = 4,056,584,174,707.62
  5. Step 5: Solve for x
    x = 4,056,584,174,707.62/1,753,871.53
  6. Step 6: Final answer
    x = 2,312,931.20

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.