Home / 1,812,636.17-2,501,503.75-1,038,416.64

Finding the Fourth Proportional to 1,812,636.17, 2,501,503.75 and 1,038,416.64

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Solution

The fourth proportional to 1,812,636.17, 2,501,503.75 and 1,038,416.64 is: 1,433,052.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,636.17 : 2,501,503.75 = 1,038,416.64 : x
  2. Step 2: Convert to fraction form
    1,812,636.17/2,501,503.75 = 1,038,416.64/x
  3. Step 3: Cross multiply
    1,812,636.17x = 2,501,503.75 × 1,038,416.64
  4. Step 4: Simplify right side
    1,812,636.17x = 2,597,603,119,022.40
  5. Step 5: Solve for x
    x = 2,597,603,119,022.40/1,812,636.17
  6. Step 6: Final answer
    x = 1,433,052.68

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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.