Finding the Fourth Proportional to 6,241,965.60, 9,363,207.60 and 1,982,013.60
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Solution
The fourth proportional to 6,241,965.60, 9,363,207.60 and 1,982,013.60 is: 2,973,102.70
Step by Step Solution
- Step 1: Write the proportion equation
6,241,965.60 : 9,363,207.60 = 1,982,013.60 : x - Step 2: Convert to fraction form
6,241,965.60/9,363,207.60 = 1,982,013.60/x - Step 3: Cross multiply
6,241,965.60x = 9,363,207.60 × 1,982,013.60 - Step 4: Simplify right side
6,241,965.60x = 18,558,004,802,823.36 - Step 5: Solve for x
x = 18,558,004,802,823.36/6,241,965.60 - Step 6: Final answer
x = 2,973,102.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.