Finding the Fourth Proportional to 2,919,207.55, 4,378,811.33 and 2,116,724.35
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Solution
The fourth proportional to 2,919,207.55, 4,378,811.33 and 2,116,724.35 is: 3,175,086.53
Step by Step Solution
- Step 1: Write the proportion equation
2,919,207.55 : 4,378,811.33 = 2,116,724.35 : x - Step 2: Convert to fraction form
2,919,207.55/4,378,811.33 = 2,116,724.35/x - Step 3: Cross multiply
2,919,207.55x = 4,378,811.33 × 2,116,724.35 - Step 4: Simplify right side
2,919,207.55x = 9,268,736,566,266.89 - Step 5: Solve for x
x = 9,268,736,566,266.89/2,919,207.55 - Step 6: Final answer
x = 3,175,086.53
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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.