Finding the Fourth Proportional to 5,201,316.60, 7,791,477.30 and 2,954,830.20
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Solution
The fourth proportional to 5,201,316.60, 7,791,477.30 and 2,954,830.20 is: 4,426,281.69
Step by Step Solution
- Step 1: Write the proportion equation
5,201,316.60 : 7,791,477.30 = 2,954,830.20 : x - Step 2: Convert to fraction form
5,201,316.60/7,791,477.30 = 2,954,830.20/x - Step 3: Cross multiply
5,201,316.60x = 7,791,477.30 × 2,954,830.20 - Step 4: Simplify right side
5,201,316.60x = 23,022,492,428,654.46 - Step 5: Solve for x
x = 23,022,492,428,654.46/5,201,316.60 - Step 6: Final answer
x = 4,426,281.69
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1.5x scale
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.