Finding the Fourth Proportional to 1,358,220.64, 2,037,526.50 and 411,665.08
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Solution
The fourth proportional to 1,358,220.64, 2,037,526.50 and 411,665.08 is: 617,556.89
Step by Step Solution
- Step 1: Write the proportion equation
1,358,220.64 : 2,037,526.50 = 411,665.08 : x - Step 2: Convert to fraction form
1,358,220.64/2,037,526.50 = 411,665.08/x - Step 3: Cross multiply
1,358,220.64x = 2,037,526.50 × 411,665.08 - Step 4: Simplify right side
1,358,220.64x = 838,778,509,624.62 - Step 5: Solve for x
x = 838,778,509,624.62/1,358,220.64 - Step 6: Final answer
x = 617,556.89
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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.