Finding the Fourth Proportional to 2,348,619.64, 3,241,107.48 and 1,316,129.92
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Solution
The fourth proportional to 2,348,619.64, 3,241,107.48 and 1,316,129.92 is: 1,816,266.23
Step by Step Solution
- Step 1: Write the proportion equation
2,348,619.64 : 3,241,107.48 = 1,316,129.92 : x - Step 2: Convert to fraction form
2,348,619.64/3,241,107.48 = 1,316,129.92/x - Step 3: Cross multiply
2,348,619.64x = 3,241,107.48 × 1,316,129.92 - Step 4: Simplify right side
2,348,619.64x = 4,265,718,528,363.80 - Step 5: Solve for x
x = 4,265,718,528,363.80/2,348,619.64 - Step 6: Final answer
x = 1,816,266.23
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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.