Home / 4,254,564.80-6,385,328.80-4,221,387.20

Finding the Fourth Proportional to 4,254,564.80, 6,385,328.80 and 4,221,387.20

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Solution

The fourth proportional to 4,254,564.80, 6,385,328.80 and 4,221,387.20 is: 6,335,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254,564.80 : 6,385,328.80 = 4,221,387.20 : x
  2. Step 2: Convert to fraction form
    4,254,564.80/6,385,328.80 = 4,221,387.20/x
  3. Step 3: Cross multiply
    4,254,564.80x = 6,385,328.80 × 4,221,387.20
  4. Step 4: Simplify right side
    4,254,564.80x = 26,954,945,264,111.36
  5. Step 5: Solve for x
    x = 26,954,945,264,111.36/4,254,564.80
  6. Step 6: Final answer
    x = 6,335,535.25

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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.