Finding the Fourth Proportional to 1,975,976.96, 2,725,343.64 and 1,700,803.13
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Solution
The fourth proportional to 1,975,976.96, 2,725,343.64 and 1,700,803.13 is: 2,345,813.28
Step by Step Solution
- Step 1: Write the proportion equation
1,975,976.96 : 2,725,343.64 = 1,700,803.13 : x - Step 2: Convert to fraction form
1,975,976.96/2,725,343.64 = 1,700,803.13/x - Step 3: Cross multiply
1,975,976.96x = 2,725,343.64 × 1,700,803.13 - Step 4: Simplify right side
1,975,976.96x = 4,635,272,979,610.88 - Step 5: Solve for x
x = 4,635,272,979,610.88/1,975,976.96 - Step 6: Final answer
x = 2,345,813.28
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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.