Home / 1,553,357.07-2,142,528.51-1,036,850.55

Finding the Fourth Proportional to 1,553,357.07, 2,142,528.51 and 1,036,850.55

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Solution

The fourth proportional to 1,553,357.07, 2,142,528.51 and 1,036,850.55 is: 1,430,116.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,357.07 : 2,142,528.51 = 1,036,850.55 : x
  2. Step 2: Convert to fraction form
    1,553,357.07/2,142,528.51 = 1,036,850.55/x
  3. Step 3: Cross multiply
    1,553,357.07x = 2,142,528.51 × 1,036,850.55
  4. Step 4: Simplify right side
    1,553,357.07x = 2,221,481,863,984.18
  5. Step 5: Solve for x
    x = 2,221,481,863,984.18/1,553,357.07
  6. Step 6: Final answer
    x = 1,430,116.69

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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.