Finding the Fourth Proportional to 3,559,813.68, 4,911,691.68 and 2,109,258.48
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Solution
The fourth proportional to 3,559,813.68, 4,911,691.68 and 2,109,258.48 is: 2,910,272.35
Step by Step Solution
- Step 1: Write the proportion equation
3,559,813.68 : 4,911,691.68 = 2,109,258.48 : x - Step 2: Convert to fraction form
3,559,813.68/4,911,691.68 = 2,109,258.48/x - Step 3: Cross multiply
3,559,813.68x = 4,911,691.68 × 2,109,258.48 - Step 4: Simplify right side
3,559,813.68x = 10,360,027,327,185.45 - Step 5: Solve for x
x = 10,360,027,327,185.45/3,559,813.68 - Step 6: Final answer
x = 2,910,272.35
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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.