Home / 4,632,890.40-6,949,681.20-1,640,685.60

Finding the Fourth Proportional to 4,632,890.40, 6,949,681.20 and 1,640,685.60

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Solution

The fourth proportional to 4,632,890.40, 6,949,681.20 and 1,640,685.60 is: 2,461,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,632,890.40 : 6,949,681.20 = 1,640,685.60 : x
  2. Step 2: Convert to fraction form
    4,632,890.40/6,949,681.20 = 1,640,685.60/x
  3. Step 3: Cross multiply
    4,632,890.40x = 6,949,681.20 × 1,640,685.60
  4. Step 4: Simplify right side
    4,632,890.40x = 11,402,241,869,430.72
  5. Step 5: Solve for x
    x = 11,402,241,869,430.72/4,632,890.40
  6. Step 6: Final answer
    x = 2,461,150.79

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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.