Home / 2,575,319.40-3,554,255.70-1,429,768.80

Finding the Fourth Proportional to 2,575,319.40, 3,554,255.70 and 1,429,768.80

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Solution

The fourth proportional to 2,575,319.40, 3,554,255.70 and 1,429,768.80 is: 1,973,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575,319.40 : 3,554,255.70 = 1,429,768.80 : x
  2. Step 2: Convert to fraction form
    2,575,319.40/3,554,255.70 = 1,429,768.80/x
  3. Step 3: Cross multiply
    2,575,319.40x = 3,554,255.70 × 1,429,768.80
  4. Step 4: Simplify right side
    2,575,319.40x = 5,081,763,907,082.16
  5. Step 5: Solve for x
    x = 5,081,763,907,082.16/2,575,319.40
  6. Step 6: Final answer
    x = 1,973,255.79

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1.5x scale

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.