Home / 2,928,457.17-4,041,049.46-1,621,702.80

Finding the Fourth Proportional to 2,928,457.17, 4,041,049.46 and 1,621,702.80

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Solution

The fourth proportional to 2,928,457.17, 4,041,049.46 and 1,621,702.80 is: 2,237,827.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,457.17 : 4,041,049.46 = 1,621,702.80 : x
  2. Step 2: Convert to fraction form
    2,928,457.17/4,041,049.46 = 1,621,702.80/x
  3. Step 3: Cross multiply
    2,928,457.17x = 4,041,049.46 × 1,621,702.80
  4. Step 4: Simplify right side
    2,928,457.17x = 6,553,381,216,111.98
  5. Step 5: Solve for x
    x = 6,553,381,216,111.98/2,928,457.17
  6. Step 6: Final answer
    x = 2,237,827.24

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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.