Home / 2,718,378.40-4,076,530.80-824,490.40

Finding the Fourth Proportional to 2,718,378.40, 4,076,530.80 and 824,490.40

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Solution

The fourth proportional to 2,718,378.40, 4,076,530.80 and 824,490.40 is: 1,236,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,378.40 : 4,076,530.80 = 824,490.40 : x
  2. Step 2: Convert to fraction form
    2,718,378.40/4,076,530.80 = 824,490.40/x
  3. Step 3: Cross multiply
    2,718,378.40x = 4,076,530.80 × 824,490.40
  4. Step 4: Simplify right side
    2,718,378.40x = 3,361,060,509,904.32
  5. Step 5: Solve for x
    x = 3,361,060,509,904.32/2,718,378.40
  6. Step 6: Final answer
    x = 1,236,421.14

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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.