Home / 3,017,346.57-4,163,946.89-1,640,690.82

Finding the Fourth Proportional to 3,017,346.57, 4,163,946.89 and 1,640,690.82

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Solution

The fourth proportional to 3,017,346.57, 4,163,946.89 and 1,640,690.82 is: 2,264,158.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017,346.57 : 4,163,946.89 = 1,640,690.82 : x
  2. Step 2: Convert to fraction form
    3,017,346.57/4,163,946.89 = 1,640,690.82/x
  3. Step 3: Cross multiply
    3,017,346.57x = 4,163,946.89 × 1,640,690.82
  4. Step 4: Simplify right side
    3,017,346.57x = 6,831,749,429,187.10
  5. Step 5: Solve for x
    x = 6,831,749,429,187.10/3,017,346.57
  6. Step 6: Final answer
    x = 2,264,158.02

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1.5x scale

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.