Home / 1,758,459.40-2,637,689.10-1,640,494.60

Finding the Fourth Proportional to 1,758,459.40, 2,637,689.10 and 1,640,494.60

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Solution

The fourth proportional to 1,758,459.40, 2,637,689.10 and 1,640,494.60 is: 2,460,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,459.40 : 2,637,689.10 = 1,640,494.60 : x
  2. Step 2: Convert to fraction form
    1,758,459.40/2,637,689.10 = 1,640,494.60/x
  3. Step 3: Cross multiply
    1,758,459.40x = 2,637,689.10 × 1,640,494.60
  4. Step 4: Simplify right side
    1,758,459.40x = 4,327,114,725,028.86
  5. Step 5: Solve for x
    x = 4,327,114,725,028.86/1,758,459.40
  6. Step 6: Final answer
    x = 2,460,741.90

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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.