Home / 4,268,809.81-6,403,663.28-1,390,400.77

Finding the Fourth Proportional to 4,268,809.81, 6,403,663.28 and 1,390,400.77

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Solution

The fourth proportional to 4,268,809.81, 6,403,663.28 and 1,390,400.77 is: 2,085,747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268,809.81 : 6,403,663.28 = 1,390,400.77 : x
  2. Step 2: Convert to fraction form
    4,268,809.81/6,403,663.28 = 1,390,400.77/x
  3. Step 3: Cross multiply
    4,268,809.81x = 6,403,663.28 × 1,390,400.77
  4. Step 4: Simplify right side
    4,268,809.81x = 8,903,658,355,332.73
  5. Step 5: Solve for x
    x = 8,903,658,355,332.73/4,268,809.81
  6. Step 6: Final answer
    x = 2,085,747.26

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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.