Finding the Fourth Proportional to 2,810,116.62, 3,878,054.80 and 1,722,177.99
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Solution
The fourth proportional to 2,810,116.62, 3,878,054.80 and 1,722,177.99 is: 2,376,663.15
Step by Step Solution
- Step 1: Write the proportion equation
2,810,116.62 : 3,878,054.80 = 1,722,177.99 : x - Step 2: Convert to fraction form
2,810,116.62/3,878,054.80 = 1,722,177.99/x - Step 3: Cross multiply
2,810,116.62x = 3,878,054.80 × 1,722,177.99 - Step 4: Simplify right side
2,810,116.62x = 6,678,700,616,268.41 - Step 5: Solve for x
x = 6,678,700,616,268.41/2,810,116.62 - Step 6: Final answer
x = 2,376,663.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.