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Finding the Fourth Proportional to 3,230,401.95, 4,845,602.93 and 1,970,689.95

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Solution

The fourth proportional to 3,230,401.95, 4,845,602.93 and 1,970,689.95 is: 2,956,034.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,401.95 : 4,845,602.93 = 1,970,689.95 : x
  2. Step 2: Convert to fraction form
    3,230,401.95/4,845,602.93 = 1,970,689.95/x
  3. Step 3: Cross multiply
    3,230,401.95x = 4,845,602.93 × 1,970,689.95
  4. Step 4: Simplify right side
    3,230,401.95x = 9,549,180,985,988.10
  5. Step 5: Solve for x
    x = 9,549,180,985,988.10/3,230,401.95
  6. Step 6: Final answer
    x = 2,956,034.93

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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.