Home / 1,582,688.40-2,374,032.60-1,513,579.20

Finding the Fourth Proportional to 1,582,688.40, 2,374,032.60 and 1,513,579.20

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Solution

The fourth proportional to 1,582,688.40, 2,374,032.60 and 1,513,579.20 is: 2,270,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582,688.40 : 2,374,032.60 = 1,513,579.20 : x
  2. Step 2: Convert to fraction form
    1,582,688.40/2,374,032.60 = 1,513,579.20/x
  3. Step 3: Cross multiply
    1,582,688.40x = 2,374,032.60 × 1,513,579.20
  4. Step 4: Simplify right side
    1,582,688.40x = 3,593,286,363,481.92
  5. Step 5: Solve for x
    x = 3,593,286,363,481.92/1,582,688.40
  6. Step 6: Final answer
    x = 2,270,368.80

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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.