Finding the Fourth Proportional to 1,646,242.32, 2,466,167.88 and 1,213,173.96
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Solution
The fourth proportional to 1,646,242.32, 2,466,167.88 and 1,213,173.96 is: 1,817,405.99
Step by Step Solution
- Step 1: Write the proportion equation
1,646,242.32 : 2,466,167.88 = 1,213,173.96 : x - Step 2: Convert to fraction form
1,646,242.32/2,466,167.88 = 1,213,173.96/x - Step 3: Cross multiply
1,646,242.32x = 2,466,167.88 × 1,213,173.96 - Step 4: Simplify right side
1,646,242.32x = 2,991,890,653,004.41 - Step 5: Solve for x
x = 2,991,890,653,004.41/1,646,242.32 - Step 6: Final answer
x = 1,817,405.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.