Finding the Fourth Proportional to 2,221,982.94, 3,067,657.95 and 1,406,885.31
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Solution
The fourth proportional to 2,221,982.94, 3,067,657.95 and 1,406,885.31 is: 1,942,338.45
Step by Step Solution
- Step 1: Write the proportion equation
2,221,982.94 : 3,067,657.95 = 1,406,885.31 : x - Step 2: Convert to fraction form
2,221,982.94/3,067,657.95 = 1,406,885.31/x - Step 3: Cross multiply
2,221,982.94x = 3,067,657.95 × 1,406,885.31 - Step 4: Simplify right side
2,221,982.94x = 4,315,842,905,959.72 - Step 5: Solve for x
x = 4,315,842,905,959.72/2,221,982.94 - Step 6: Final answer
x = 1,942,338.45
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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.