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Finding the Fourth Proportional to 3,312,471.51, 4,968,130.95 and 1,068,609.51

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Solution

The fourth proportional to 3,312,471.51, 4,968,130.95 and 1,068,609.51 is: 1,602,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,471.51 : 4,968,130.95 = 1,068,609.51 : x
  2. Step 2: Convert to fraction form
    3,312,471.51/4,968,130.95 = 1,068,609.51/x
  3. Step 3: Cross multiply
    3,312,471.51x = 4,968,130.95 × 1,068,609.51
  4. Step 4: Simplify right side
    3,312,471.51x = 5,308,991,980,095.34
  5. Step 5: Solve for x
    x = 5,308,991,980,095.34/3,312,471.51
  6. Step 6: Final answer
    x = 1,602,728.34

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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.