Finding the Fourth Proportional to 2,290,320.40, 3,432,715.80 and 1,167,811.60
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Solution
The fourth proportional to 2,290,320.40, 3,432,715.80 and 1,167,811.60 is: 1,750,307.66
Step by Step Solution
- Step 1: Write the proportion equation
2,290,320.40 : 3,432,715.80 = 1,167,811.60 : x - Step 2: Convert to fraction form
2,290,320.40/3,432,715.80 = 1,167,811.60/x - Step 3: Cross multiply
2,290,320.40x = 3,432,715.80 × 1,167,811.60 - Step 4: Simplify right side
2,290,320.40x = 4,008,765,330,743.28 - Step 5: Solve for x
x = 4,008,765,330,743.28/2,290,320.40 - Step 6: Final answer
x = 1,750,307.66
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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.