Finding the Fourth Proportional to 3,556,962.65, 4,911,438.02 and 3,284,931.03
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Solution
The fourth proportional to 3,556,962.65, 4,911,438.02 and 3,284,931.03 is: 4,535,817.99
Step by Step Solution
- Step 1: Write the proportion equation
3,556,962.65 : 4,911,438.02 = 3,284,931.03 : x - Step 2: Convert to fraction form
3,556,962.65/4,911,438.02 = 3,284,931.03/x - Step 3: Cross multiply
3,556,962.65x = 4,911,438.02 × 3,284,931.03 - Step 4: Simplify right side
3,556,962.65x = 16,133,735,137,395.10 - Step 5: Solve for x
x = 16,133,735,137,395.10/3,556,962.65 - Step 6: Final answer
x = 4,535,817.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.