Home / 5,638,848-7,778,069.76-3,345,384.96

Finding the Fourth Proportional to 5,638,848, 7,778,069.76 and 3,345,384.96

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Solution

The fourth proportional to 5,638,848, 7,778,069.76 and 3,345,384.96 is: 4,614,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,848 : 7,778,069.76 = 3,345,384.96 : x
  2. Step 2: Convert to fraction form
    5,638,848/7,778,069.76 = 3,345,384.96/x
  3. Step 3: Cross multiply
    5,638,848x = 7,778,069.76 × 3,345,384.96
  4. Step 4: Simplify right side
    5,638,848x = 26,020,637,592,934.81
  5. Step 5: Solve for x
    x = 26,020,637,592,934.81/5,638,848
  6. Step 6: Final answer
    x = 4,614,530.77

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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.