Home / 5,640,040.80-8,460,061.20-2,805,688.80

Finding the Fourth Proportional to 5,640,040.80, 8,460,061.20 and 2,805,688.80

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Solution

The fourth proportional to 5,640,040.80, 8,460,061.20 and 2,805,688.80 is: 4,208,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640,040.80 : 8,460,061.20 = 2,805,688.80 : x
  2. Step 2: Convert to fraction form
    5,640,040.80/8,460,061.20 = 2,805,688.80/x
  3. Step 3: Cross multiply
    5,640,040.80x = 8,460,061.20 × 2,805,688.80
  4. Step 4: Simplify right side
    5,640,040.80x = 23,736,298,956,154.55
  5. Step 5: Solve for x
    x = 23,736,298,956,154.55/5,640,040.80
  6. Step 6: Final answer
    x = 4,208,533.20

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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.