Home / 1,385,011.82-1,897,457.34-1,333,218.86

Finding the Fourth Proportional to 1,385,011.82, 1,897,457.34 and 1,333,218.86

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Solution

The fourth proportional to 1,385,011.82, 1,897,457.34 and 1,333,218.86 is: 1,826,501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,011.82 : 1,897,457.34 = 1,333,218.86 : x
  2. Step 2: Convert to fraction form
    1,385,011.82/1,897,457.34 = 1,333,218.86/x
  3. Step 3: Cross multiply
    1,385,011.82x = 1,897,457.34 × 1,333,218.86
  4. Step 4: Simplify right side
    1,385,011.82x = 2,529,725,911,733.43
  5. Step 5: Solve for x
    x = 2,529,725,911,733.43/1,385,011.82
  6. Step 6: Final answer
    x = 1,826,501.32

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.