Home / 2,913,600.40-4,020,580.47-1,624,363.90

Finding the Fourth Proportional to 2,913,600.40, 4,020,580.47 and 1,624,363.90

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Solution

The fourth proportional to 2,913,600.40, 4,020,580.47 and 1,624,363.90 is: 2,241,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,600.40 : 4,020,580.47 = 1,624,363.90 : x
  2. Step 2: Convert to fraction form
    2,913,600.40/4,020,580.47 = 1,624,363.90/x
  3. Step 3: Cross multiply
    2,913,600.40x = 4,020,580.47 × 1,624,363.90
  4. Step 4: Simplify right side
    2,913,600.40x = 6,530,885,772,513.03
  5. Step 5: Solve for x
    x = 6,530,885,772,513.03/2,913,600.40
  6. Step 6: Final answer
    x = 2,241,517.32

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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.