Home / 5,636,554.56-7,778,347.20-3,430,620

Finding the Fourth Proportional to 5,636,554.56, 7,778,347.20 and 3,430,620

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Solution

The fourth proportional to 5,636,554.56, 7,778,347.20 and 3,430,620 is: 4,734,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636,554.56 : 7,778,347.20 = 3,430,620 : x
  2. Step 2: Convert to fraction form
    5,636,554.56/7,778,347.20 = 3,430,620/x
  3. Step 3: Cross multiply
    5,636,554.56x = 7,778,347.20 × 3,430,620
  4. Step 4: Simplify right side
    5,636,554.56x = 26,684,553,471,264
  5. Step 5: Solve for x
    x = 26,684,553,471,264/5,636,554.56
  6. Step 6: Final answer
    x = 4,734,195.90

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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.