Home / 1,616,498.81-2,230,688.18-918,688.39

Finding the Fourth Proportional to 1,616,498.81, 2,230,688.18 and 918,688.39

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Solution

The fourth proportional to 1,616,498.81, 2,230,688.18 and 918,688.39 is: 1,267,744.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,498.81 : 2,230,688.18 = 918,688.39 : x
  2. Step 2: Convert to fraction form
    1,616,498.81/2,230,688.18 = 918,688.39/x
  3. Step 3: Cross multiply
    1,616,498.81x = 2,230,688.18 × 918,688.39
  4. Step 4: Simplify right side
    1,616,498.81x = 2,049,307,329,396.23
  5. Step 5: Solve for x
    x = 2,049,307,329,396.23/1,616,498.81
  6. Step 6: Final answer
    x = 1,267,744.41

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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.