Finding the Fourth Proportional to 6,643,377.03, 9,167,860.35 and 3,587,591.28
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Solution
The fourth proportional to 6,643,377.03, 9,167,860.35 and 3,587,591.28 is: 4,950,875.99
Step by Step Solution
- Step 1: Write the proportion equation
6,643,377.03 : 9,167,860.35 = 3,587,591.28 : x - Step 2: Convert to fraction form
6,643,377.03/9,167,860.35 = 3,587,591.28/x - Step 3: Cross multiply
6,643,377.03x = 9,167,860.35 × 3,587,591.28 - Step 4: Simplify right side
6,643,377.03x = 32,890,535,847,917.75 - Step 5: Solve for x
x = 32,890,535,847,917.75/6,643,377.03 - Step 6: Final answer
x = 4,950,875.99
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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.