Home / 1,917,405.95-2,646,075.17-1,058,021.57

Finding the Fourth Proportional to 1,917,405.95, 2,646,075.17 and 1,058,021.57

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Solution

The fourth proportional to 1,917,405.95, 2,646,075.17 and 1,058,021.57 is: 1,460,100.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,405.95 : 2,646,075.17 = 1,058,021.57 : x
  2. Step 2: Convert to fraction form
    1,917,405.95/2,646,075.17 = 1,058,021.57/x
  3. Step 3: Cross multiply
    1,917,405.95x = 2,646,075.17 × 1,058,021.57
  4. Step 4: Simplify right side
    1,917,405.95x = 2,799,604,587,180.93
  5. Step 5: Solve for x
    x = 2,799,604,587,180.93/1,917,405.95
  6. Step 6: Final answer
    x = 1,460,100.08

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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.