Home / 1,534,143.21-2,301,214.70-1,457,430.77

Finding the Fourth Proportional to 1,534,143.21, 2,301,214.70 and 1,457,430.77

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Solution

The fourth proportional to 1,534,143.21, 2,301,214.70 and 1,457,430.77 is: 2,186,146.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,143.21 : 2,301,214.70 = 1,457,430.77 : x
  2. Step 2: Convert to fraction form
    1,534,143.21/2,301,214.70 = 1,457,430.77/x
  3. Step 3: Cross multiply
    1,534,143.21x = 2,301,214.70 × 1,457,430.77
  4. Step 4: Simplify right side
    1,534,143.21x = 3,353,861,121,552.93
  5. Step 5: Solve for x
    x = 3,353,861,121,552.93/1,534,143.21
  6. Step 6: Final answer
    x = 2,186,146.06

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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.