Home / 1,808,032.05-2,712,048.21-1,408,971.51

Finding the Fourth Proportional to 1,808,032.05, 2,712,048.21 and 1,408,971.51

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Solution

The fourth proportional to 1,808,032.05, 2,712,048.21 and 1,408,971.51 is: 2,113,457.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,032.05 : 2,712,048.21 = 1,408,971.51 : x
  2. Step 2: Convert to fraction form
    1,808,032.05/2,712,048.21 = 1,408,971.51/x
  3. Step 3: Cross multiply
    1,808,032.05x = 2,712,048.21 × 1,408,971.51
  4. Step 4: Simplify right side
    1,808,032.05x = 3,821,198,661,636.50
  5. Step 5: Solve for x
    x = 3,821,198,661,636.50/1,808,032.05
  6. Step 6: Final answer
    x = 2,113,457.37

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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.