Home / 6,618,246.40-9,929,097.60-2,130,630.40

Finding the Fourth Proportional to 6,618,246.40, 9,929,097.60 and 2,130,630.40

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Solution

The fourth proportional to 6,618,246.40, 9,929,097.60 and 2,130,630.40 is: 3,196,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618,246.40 : 9,929,097.60 = 2,130,630.40 : x
  2. Step 2: Convert to fraction form
    6,618,246.40/9,929,097.60 = 2,130,630.40/x
  3. Step 3: Cross multiply
    6,618,246.40x = 9,929,097.60 × 2,130,630.40
  4. Step 4: Simplify right side
    6,618,246.40x = 21,155,237,191,127.04
  5. Step 5: Solve for x
    x = 21,155,237,191,127.04/6,618,246.40
  6. Step 6: Final answer
    x = 3,196,501.90

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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.