Home / 1,530,020.95-2,111,362.21-841,649.14

Finding the Fourth Proportional to 1,530,020.95, 2,111,362.21 and 841,649.14

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Solution

The fourth proportional to 1,530,020.95, 2,111,362.21 and 841,649.14 is: 1,161,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,020.95 : 2,111,362.21 = 841,649.14 : x
  2. Step 2: Convert to fraction form
    1,530,020.95/2,111,362.21 = 841,649.14/x
  3. Step 3: Cross multiply
    1,530,020.95x = 2,111,362.21 × 841,649.14
  4. Step 4: Simplify right side
    1,530,020.95x = 1,777,026,190,792.77
  5. Step 5: Solve for x
    x = 1,777,026,190,792.77/1,530,020.95
  6. Step 6: Final answer
    x = 1,161,439.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.