Home / 3,000,122.80-4,140,240.32-1,710,935.50

Finding the Fourth Proportional to 3,000,122.80, 4,140,240.32 and 1,710,935.50

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Solution

The fourth proportional to 3,000,122.80, 4,140,240.32 and 1,710,935.50 is: 2,361,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000,122.80 : 4,140,240.32 = 1,710,935.50 : x
  2. Step 2: Convert to fraction form
    3,000,122.80/4,140,240.32 = 1,710,935.50/x
  3. Step 3: Cross multiply
    3,000,122.80x = 4,140,240.32 × 1,710,935.50
  4. Step 4: Simplify right side
    3,000,122.80x = 7,083,684,142,019.36
  5. Step 5: Solve for x
    x = 7,083,684,142,019.36/3,000,122.80
  6. Step 6: Final answer
    x = 2,361,131.40

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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.