Home / 1,553,432.23-2,143,303.36-1,001,914.57

Finding the Fourth Proportional to 1,553,432.23, 2,143,303.36 and 1,001,914.57

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Solution

The fourth proportional to 1,553,432.23, 2,143,303.36 and 1,001,914.57 is: 1,382,362.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,432.23 : 2,143,303.36 = 1,001,914.57 : x
  2. Step 2: Convert to fraction form
    1,553,432.23/2,143,303.36 = 1,001,914.57/x
  3. Step 3: Cross multiply
    1,553,432.23x = 2,143,303.36 × 1,001,914.57
  4. Step 4: Simplify right side
    1,553,432.23x = 2,147,406,864,313.96
  5. Step 5: Solve for x
    x = 2,147,406,864,313.96/1,553,432.23
  6. Step 6: Final answer
    x = 1,382,362.76

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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.