Home / 2,208,602.70-3,312,904.05-2,155,458.60

Finding the Fourth Proportional to 2,208,602.70, 3,312,904.05 and 2,155,458.60

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Solution

The fourth proportional to 2,208,602.70, 3,312,904.05 and 2,155,458.60 is: 3,233,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,602.70 : 3,312,904.05 = 2,155,458.60 : x
  2. Step 2: Convert to fraction form
    2,208,602.70/3,312,904.05 = 2,155,458.60/x
  3. Step 3: Cross multiply
    2,208,602.70x = 3,312,904.05 × 2,155,458.60
  4. Step 4: Simplify right side
    2,208,602.70x = 7,140,827,525,547.33
  5. Step 5: Solve for x
    x = 7,140,827,525,547.33/2,208,602.70
  6. Step 6: Final answer
    x = 3,233,187.90

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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.