Finding the Fourth Proportional to 2,985,347.40, 4,119,780.52 and 1,696,189.48
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Solution
The fourth proportional to 2,985,347.40, 4,119,780.52 and 1,696,189.48 is: 2,340,742.11
Step by Step Solution
- Step 1: Write the proportion equation
2,985,347.40 : 4,119,780.52 = 1,696,189.48 : x - Step 2: Convert to fraction form
2,985,347.40/4,119,780.52 = 1,696,189.48/x - Step 3: Cross multiply
2,985,347.40x = 4,119,780.52 × 1,696,189.48 - Step 4: Simplify right side
2,985,347.40x = 6,987,928,377,932.93 - Step 5: Solve for x
x = 6,987,928,377,932.93/2,985,347.40 - Step 6: Final answer
x = 2,340,742.11
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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.