Finding the Fourth Proportional to 5,232,988.80, 7,849,259.28 and 1,638,676.08
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Solution
The fourth proportional to 5,232,988.80, 7,849,259.28 and 1,638,676.08 is: 2,457,944.00
Step by Step Solution
- Step 1: Write the proportion equation
5,232,988.80 : 7,849,259.28 = 1,638,676.08 : x - Step 2: Convert to fraction form
5,232,988.80/7,849,259.28 = 1,638,676.08/x - Step 3: Cross multiply
5,232,988.80x = 7,849,259.28 × 1,638,676.08 - Step 4: Simplify right side
5,232,988.80x = 12,862,393,427,854.02 - Step 5: Solve for x
x = 12,862,393,427,854.02/5,232,988.80 - Step 6: Final answer
x = 2,457,944.00
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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.