Finding the Fourth Proportional to 3,642,976.19, 5,464,726.72 and 1,399,114.19
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Solution
The fourth proportional to 3,642,976.19, 5,464,726.72 and 1,399,114.19 is: 2,098,772.08
Step by Step Solution
- Step 1: Write the proportion equation
3,642,976.19 : 5,464,726.72 = 1,399,114.19 : x - Step 2: Convert to fraction form
3,642,976.19/5,464,726.72 = 1,399,114.19/x - Step 3: Cross multiply
3,642,976.19x = 5,464,726.72 × 1,399,114.19 - Step 4: Simplify right side
3,642,976.19x = 7,645,776,698,424.16 - Step 5: Solve for x
x = 7,645,776,698,424.16/3,642,976.19 - Step 6: Final answer
x = 2,098,772.08
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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.