Finding the Fourth Proportional to 4,269,080.40, 6,401,431.80 and 1,276,875.60
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Solution
The fourth proportional to 4,269,080.40, 6,401,431.80 and 1,276,875.60 is: 1,914,658.73
Step by Step Solution
- Step 1: Write the proportion equation
4,269,080.40 : 6,401,431.80 = 1,276,875.60 : x - Step 2: Convert to fraction form
4,269,080.40/6,401,431.80 = 1,276,875.60/x - Step 3: Cross multiply
4,269,080.40x = 6,401,431.80 × 1,276,875.60 - Step 4: Simplify right side
4,269,080.40x = 8,173,832,070,484.08 - Step 5: Solve for x
x = 8,173,832,070,484.08/4,269,080.40 - Step 6: Final answer
x = 1,914,658.73
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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.