Home / 5,111,943.95-7,054,502.47-2,788,888.66

Finding the Fourth Proportional to 5,111,943.95, 7,054,502.47 and 2,788,888.66

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Solution

The fourth proportional to 5,111,943.95, 7,054,502.47 and 2,788,888.66 is: 3,848,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111,943.95 : 7,054,502.47 = 2,788,888.66 : x
  2. Step 2: Convert to fraction form
    5,111,943.95/7,054,502.47 = 2,788,888.66/x
  3. Step 3: Cross multiply
    5,111,943.95x = 7,054,502.47 × 2,788,888.66
  4. Step 4: Simplify right side
    5,111,943.95x = 19,674,221,931,604.01
  5. Step 5: Solve for x
    x = 19,674,221,931,604.01/5,111,943.95
  6. Step 6: Final answer
    x = 3,848,677.16

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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.