Home / 1,557,781.40-2,186,792.20-1,557,781.40

Finding the Fourth Proportional to 1,557,781.40, 2,186,792.20 and 1,557,781.40

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Solution

The fourth proportional to 1,557,781.40, 2,186,792.20 and 1,557,781.40 is: 2,186,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,781.40 : 2,186,792.20 = 1,557,781.40 : x
  2. Step 2: Convert to fraction form
    1,557,781.40/2,186,792.20 = 1,557,781.40/x
  3. Step 3: Cross multiply
    1,557,781.40x = 2,186,792.20 × 1,557,781.40
  4. Step 4: Simplify right side
    1,557,781.40x = 3,406,544,214,825.08
  5. Step 5: Solve for x
    x = 3,406,544,214,825.08/1,557,781.40
  6. Step 6: Final answer
    x = 2,186,792.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.