Home / 4,458,784.40-6,688,176.60-3,208,403.60

Finding the Fourth Proportional to 4,458,784.40, 6,688,176.60 and 3,208,403.60

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Solution

The fourth proportional to 4,458,784.40, 6,688,176.60 and 3,208,403.60 is: 4,812,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458,784.40 : 6,688,176.60 = 3,208,403.60 : x
  2. Step 2: Convert to fraction form
    4,458,784.40/6,688,176.60 = 3,208,403.60/x
  3. Step 3: Cross multiply
    4,458,784.40x = 6,688,176.60 × 3,208,403.60
  4. Step 4: Simplify right side
    4,458,784.40x = 21,458,369,880,875.76
  5. Step 5: Solve for x
    x = 21,458,369,880,875.76/4,458,784.40
  6. Step 6: Final answer
    x = 4,812,605.40

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Similar ratio
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1.5x scale

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.