Home / 2,680,041.60-4,020,580.80-786,844.80

Finding the Fourth Proportional to 2,680,041.60, 4,020,580.80 and 786,844.80

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Solution

The fourth proportional to 2,680,041.60, 4,020,580.80 and 786,844.80 is: 1,180,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,041.60 : 4,020,580.80 = 786,844.80 : x
  2. Step 2: Convert to fraction form
    2,680,041.60/4,020,580.80 = 786,844.80/x
  3. Step 3: Cross multiply
    2,680,041.60x = 4,020,580.80 × 786,844.80
  4. Step 4: Simplify right side
    2,680,041.60x = 3,163,573,095,459.84
  5. Step 5: Solve for x
    x = 3,163,573,095,459.84/2,680,041.60
  6. Step 6: Final answer
    x = 1,180,419.40

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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.