Home / 2,180,762.84-3,009,420.50-1,213,891.72

Finding the Fourth Proportional to 2,180,762.84, 3,009,420.50 and 1,213,891.72

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Solution

The fourth proportional to 2,180,762.84, 3,009,420.50 and 1,213,891.72 is: 1,675,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,762.84 : 3,009,420.50 = 1,213,891.72 : x
  2. Step 2: Convert to fraction form
    2,180,762.84/3,009,420.50 = 1,213,891.72/x
  3. Step 3: Cross multiply
    2,180,762.84x = 3,009,420.50 × 1,213,891.72
  4. Step 4: Simplify right side
    2,180,762.84x = 3,653,110,626,948.26
  5. Step 5: Solve for x
    x = 3,653,110,626,948.26/2,180,762.84
  6. Step 6: Final answer
    x = 1,675,152.64

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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.