Home / 5,265,709.40-7,898,564.10-4,415,403.80

Finding the Fourth Proportional to 5,265,709.40, 7,898,564.10 and 4,415,403.80

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Solution

The fourth proportional to 5,265,709.40, 7,898,564.10 and 4,415,403.80 is: 6,623,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,709.40 : 7,898,564.10 = 4,415,403.80 : x
  2. Step 2: Convert to fraction form
    5,265,709.40/7,898,564.10 = 4,415,403.80/x
  3. Step 3: Cross multiply
    5,265,709.40x = 7,898,564.10 × 4,415,403.80
  4. Step 4: Simplify right side
    5,265,709.40x = 34,875,349,941,683.58
  5. Step 5: Solve for x
    x = 34,875,349,941,683.58/5,265,709.40
  6. Step 6: Final answer
    x = 6,623,105.70

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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.