Home / 1,970,411.92-2,954,699.28-1,023,528.40

Finding the Fourth Proportional to 1,970,411.92, 2,954,699.28 and 1,023,528.40

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Solution

The fourth proportional to 1,970,411.92, 2,954,699.28 and 1,023,528.40 is: 1,534,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,411.92 : 2,954,699.28 = 1,023,528.40 : x
  2. Step 2: Convert to fraction form
    1,970,411.92/2,954,699.28 = 1,023,528.40/x
  3. Step 3: Cross multiply
    1,970,411.92x = 2,954,699.28 × 1,023,528.40
  4. Step 4: Simplify right side
    1,970,411.92x = 3,024,218,626,539.55
  5. Step 5: Solve for x
    x = 3,024,218,626,539.55/1,970,411.92
  6. Step 6: Final answer
    x = 1,534,815.43

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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.