Home / 2,768,085.20-4,152,127.80-2,319,312.80

Finding the Fourth Proportional to 2,768,085.20, 4,152,127.80 and 2,319,312.80

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Solution

The fourth proportional to 2,768,085.20, 4,152,127.80 and 2,319,312.80 is: 3,478,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,085.20 : 4,152,127.80 = 2,319,312.80 : x
  2. Step 2: Convert to fraction form
    2,768,085.20/4,152,127.80 = 2,319,312.80/x
  3. Step 3: Cross multiply
    2,768,085.20x = 4,152,127.80 × 2,319,312.80
  4. Step 4: Simplify right side
    2,768,085.20x = 9,630,083,153,775.84
  5. Step 5: Solve for x
    x = 9,630,083,153,775.84/2,768,085.20
  6. Step 6: Final answer
    x = 3,478,969.20

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1.5x scale

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.