Home / 2,229,312.16-3,076,468.86-1,210,724.20

Finding the Fourth Proportional to 2,229,312.16, 3,076,468.86 and 1,210,724.20

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Solution

The fourth proportional to 2,229,312.16, 3,076,468.86 and 1,210,724.20 is: 1,670,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229,312.16 : 3,076,468.86 = 1,210,724.20 : x
  2. Step 2: Convert to fraction form
    2,229,312.16/3,076,468.86 = 1,210,724.20/x
  3. Step 3: Cross multiply
    2,229,312.16x = 3,076,468.86 × 1,210,724.20
  4. Step 4: Simplify right side
    2,229,312.16x = 3,724,755,299,348.41
  5. Step 5: Solve for x
    x = 3,724,755,299,348.41/2,229,312.16
  6. Step 6: Final answer
    x = 1,670,809.21

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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.