Home / 1,918,681.96-2,648,127.72-1,144,362.48

Finding the Fourth Proportional to 1,918,681.96, 2,648,127.72 and 1,144,362.48

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Solution

The fourth proportional to 1,918,681.96, 2,648,127.72 and 1,144,362.48 is: 1,579,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,681.96 : 2,648,127.72 = 1,144,362.48 : x
  2. Step 2: Convert to fraction form
    1,918,681.96/2,648,127.72 = 1,144,362.48/x
  3. Step 3: Cross multiply
    1,918,681.96x = 2,648,127.72 × 1,144,362.48
  4. Step 4: Simplify right side
    1,918,681.96x = 3,030,418,005,015.95
  5. Step 5: Solve for x
    x = 3,030,418,005,015.95/1,918,681.96
  6. Step 6: Final answer
    x = 1,579,426.95

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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.