Home / 4,459,608.20-6,692,036.70-1,620,007.40

Finding the Fourth Proportional to 4,459,608.20, 6,692,036.70 and 1,620,007.40

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Solution

The fourth proportional to 4,459,608.20, 6,692,036.70 and 1,620,007.40 is: 2,430,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459,608.20 : 6,692,036.70 = 1,620,007.40 : x
  2. Step 2: Convert to fraction form
    4,459,608.20/6,692,036.70 = 1,620,007.40/x
  3. Step 3: Cross multiply
    4,459,608.20x = 6,692,036.70 × 1,620,007.40
  4. Step 4: Simplify right side
    4,459,608.20x = 10,841,148,975,071.58
  5. Step 5: Solve for x
    x = 10,841,148,975,071.58/4,459,608.20
  6. Step 6: Final answer
    x = 2,430,964.45

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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.