Home / 1,553,641.23-2,143,444.26-1,551,245.85

Finding the Fourth Proportional to 1,553,641.23, 2,143,444.26 and 1,551,245.85

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Solution

The fourth proportional to 1,553,641.23, 2,143,444.26 and 1,551,245.85 is: 2,140,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,641.23 : 2,143,444.26 = 1,551,245.85 : x
  2. Step 2: Convert to fraction form
    1,553,641.23/2,143,444.26 = 1,551,245.85/x
  3. Step 3: Cross multiply
    1,553,641.23x = 2,143,444.26 × 1,551,245.85
  4. Step 4: Simplify right side
    1,553,641.23x = 3,325,009,013,031.32
  5. Step 5: Solve for x
    x = 3,325,009,013,031.32/1,553,641.23
  6. Step 6: Final answer
    x = 2,140,139.53

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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.