Home / 3,165,143.74-4,748,117.95-1,005,398.34

Finding the Fourth Proportional to 3,165,143.74, 4,748,117.95 and 1,005,398.34

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Solution

The fourth proportional to 3,165,143.74, 4,748,117.95 and 1,005,398.34 is: 1,508,225.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,143.74 : 4,748,117.95 = 1,005,398.34 : x
  2. Step 2: Convert to fraction form
    3,165,143.74/4,748,117.95 = 1,005,398.34/x
  3. Step 3: Cross multiply
    3,165,143.74x = 4,748,117.95 × 1,005,398.34
  4. Step 4: Simplify right side
    3,165,143.74x = 4,773,749,905,054.20
  5. Step 5: Solve for x
    x = 4,773,749,905,054.20/3,165,143.74
  6. Step 6: Final answer
    x = 1,508,225.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.