Finding the Fourth Proportional to 4,428,554.10, 6,642,831.15 and 4,036,643.70
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Solution
The fourth proportional to 4,428,554.10, 6,642,831.15 and 4,036,643.70 is: 6,054,965.55
Step by Step Solution
- Step 1: Write the proportion equation
4,428,554.10 : 6,642,831.15 = 4,036,643.70 : x - Step 2: Convert to fraction form
4,428,554.10/6,642,831.15 = 4,036,643.70/x - Step 3: Cross multiply
4,428,554.10x = 6,642,831.15 × 4,036,643.70 - Step 4: Simplify right side
4,428,554.10x = 26,814,742,511,811.26 - Step 5: Solve for x
x = 26,814,742,511,811.26/4,428,554.10 - Step 6: Final answer
x = 6,054,965.55
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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.