Home / 3,445,389.47-4,754,637.43-1,917,857.45

Finding the Fourth Proportional to 3,445,389.47, 4,754,637.43 and 1,917,857.45

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Solution

The fourth proportional to 3,445,389.47, 4,754,637.43 and 1,917,857.45 is: 2,646,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,389.47 : 4,754,637.43 = 1,917,857.45 : x
  2. Step 2: Convert to fraction form
    3,445,389.47/4,754,637.43 = 1,917,857.45/x
  3. Step 3: Cross multiply
    3,445,389.47x = 4,754,637.43 × 1,917,857.45
  4. Step 4: Simplify right side
    3,445,389.47x = 9,118,716,824,266.30
  5. Step 5: Solve for x
    x = 9,118,716,824,266.30/3,445,389.47
  6. Step 6: Final answer
    x = 2,646,643.26

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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.