Finding the Fourth Proportional to 6,329,188.81, 8,734,307.32 and 3,428,579.68
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Solution
The fourth proportional to 6,329,188.81, 8,734,307.32 and 3,428,579.68 is: 4,731,454.45
Step by Step Solution
- Step 1: Write the proportion equation
6,329,188.81 : 8,734,307.32 = 3,428,579.68 : x - Step 2: Convert to fraction form
6,329,188.81/8,734,307.32 = 3,428,579.68/x - Step 3: Cross multiply
6,329,188.81x = 8,734,307.32 × 3,428,579.68 - Step 4: Simplify right side
6,329,188.81x = 29,946,268,565,820.04 - Step 5: Solve for x
x = 29,946,268,565,820.04/6,329,188.81 - Step 6: Final answer
x = 4,731,454.45
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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.