Finding the Fourth Proportional to 1,545,511.05, 2,316,630.38 and 519,864.93
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Solution
The fourth proportional to 1,545,511.05, 2,316,630.38 and 519,864.93 is: 779,247.02
Step by Step Solution
- Step 1: Write the proportion equation
1,545,511.05 : 2,316,630.38 = 519,864.93 : x - Step 2: Convert to fraction form
1,545,511.05/2,316,630.38 = 519,864.93/x - Step 3: Cross multiply
1,545,511.05x = 2,316,630.38 × 519,864.93 - Step 4: Simplify right side
1,545,511.05x = 1,204,334,887,735.25 - Step 5: Solve for x
x = 1,204,334,887,735.25/1,545,511.05 - Step 6: Final answer
x = 779,247.02
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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.