Home / 1,916,688.30-2,645,397.27-1,152,987.90

Finding the Fourth Proportional to 1,916,688.30, 2,645,397.27 and 1,152,987.90

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Solution

The fourth proportional to 1,916,688.30, 2,645,397.27 and 1,152,987.90 is: 1,591,344.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,688.30 : 2,645,397.27 = 1,152,987.90 : x
  2. Step 2: Convert to fraction form
    1,916,688.30/2,645,397.27 = 1,152,987.90/x
  3. Step 3: Cross multiply
    1,916,688.30x = 2,645,397.27 × 1,152,987.90
  4. Step 4: Simplify right side
    1,916,688.30x = 3,050,111,043,003.03
  5. Step 5: Solve for x
    x = 3,050,111,043,003.03/1,916,688.30
  6. Step 6: Final answer
    x = 1,591,344.32

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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.