Home / 5,422,445.40-8,133,668.10-1,635,436.20

Finding the Fourth Proportional to 5,422,445.40, 8,133,668.10 and 1,635,436.20

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Solution

The fourth proportional to 5,422,445.40, 8,133,668.10 and 1,635,436.20 is: 2,453,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422,445.40 : 8,133,668.10 = 1,635,436.20 : x
  2. Step 2: Convert to fraction form
    5,422,445.40/8,133,668.10 = 1,635,436.20/x
  3. Step 3: Cross multiply
    5,422,445.40x = 8,133,668.10 × 1,635,436.20
  4. Step 4: Simplify right side
    5,422,445.40x = 13,302,095,249,525.22
  5. Step 5: Solve for x
    x = 13,302,095,249,525.22/5,422,445.40
  6. Step 6: Final answer
    x = 2,453,154.30

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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.