Home / 1,918,021.16-2,646,856.17-1,058,581.40

Finding the Fourth Proportional to 1,918,021.16, 2,646,856.17 and 1,058,581.40

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Solution

The fourth proportional to 1,918,021.16, 2,646,856.17 and 1,058,581.40 is: 1,460,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,021.16 : 2,646,856.17 = 1,058,581.40 : x
  2. Step 2: Convert to fraction form
    1,918,021.16/2,646,856.17 = 1,058,581.40/x
  3. Step 3: Cross multiply
    1,918,021.16x = 2,646,856.17 × 1,058,581.40
  4. Step 4: Simplify right side
    1,918,021.16x = 2,801,912,710,037.24
  5. Step 5: Solve for x
    x = 2,801,912,710,037.24/1,918,021.16
  6. Step 6: Final answer
    x = 1,460,835.14

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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.