Finding the Fourth Proportional to 6,428,544.95, 9,642,226.94 and 2,168,750.09
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Solution
The fourth proportional to 6,428,544.95, 9,642,226.94 and 2,168,750.09 is: 3,252,925.93
Step by Step Solution
- Step 1: Write the proportion equation
6,428,544.95 : 9,642,226.94 = 2,168,750.09 : x - Step 2: Convert to fraction form
6,428,544.95/9,642,226.94 = 2,168,750.09/x - Step 3: Cross multiply
6,428,544.95x = 9,642,226.94 × 2,168,750.09 - Step 4: Simplify right side
6,428,544.95x = 20,911,580,565,320.05 - Step 5: Solve for x
x = 20,911,580,565,320.05/6,428,544.95 - Step 6: Final answer
x = 3,252,925.93
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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.