Finding the Fourth Proportional to 3,378,963.12, 5,068,441.59 and 1,357,207.35
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Solution
The fourth proportional to 3,378,963.12, 5,068,441.59 and 1,357,207.35 is: 2,035,809.78
Step by Step Solution
- Step 1: Write the proportion equation
3,378,963.12 : 5,068,441.59 = 1,357,207.35 : x - Step 2: Convert to fraction form
3,378,963.12/5,068,441.59 = 1,357,207.35/x - Step 3: Cross multiply
3,378,963.12x = 5,068,441.59 × 1,357,207.35 - Step 4: Simplify right side
3,378,963.12x = 6,878,926,178,993.69 - Step 5: Solve for x
x = 6,878,926,178,993.69/3,378,963.12 - Step 6: Final answer
x = 2,035,809.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.