Finding the Fourth Proportional to 1,358,171.17, 2,035,990.42 and 458,984.09
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Solution
The fourth proportional to 1,358,171.17, 2,035,990.42 and 458,984.09 is: 688,048.19
Step by Step Solution
- Step 1: Write the proportion equation
1,358,171.17 : 2,035,990.42 = 458,984.09 : x - Step 2: Convert to fraction form
1,358,171.17/2,035,990.42 = 458,984.09/x - Step 3: Cross multiply
1,358,171.17x = 2,035,990.42 × 458,984.09 - Step 4: Simplify right side
1,358,171.17x = 934,487,214,114.93 - Step 5: Solve for x
x = 934,487,214,114.93/1,358,171.17 - Step 6: Final answer
x = 688,048.19
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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.