Finding the Fourth Proportional to 7,098,530.58, 10,649,591.97 and 1,980,959.94
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Solution
The fourth proportional to 7,098,530.58, 10,649,591.97 and 1,980,959.94 is: 2,971,941.14
Step by Step Solution
- Step 1: Write the proportion equation
7,098,530.58 : 10,649,591.97 = 1,980,959.94 : x - Step 2: Convert to fraction form
7,098,530.58/10,649,591.97 = 1,980,959.94/x - Step 3: Cross multiply
7,098,530.58x = 10,649,591.97 × 1,980,959.94 - Step 4: Simplify right side
7,098,530.58x = 21,096,415,069,915.68 - Step 5: Solve for x
x = 21,096,415,069,915.68/7,098,530.58 - Step 6: Final answer
x = 2,971,941.14
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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.