Finding the Fourth Proportional to 5,345,999.20, 8,021,302.80 and 3,104,053.60
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Solution
The fourth proportional to 5,345,999.20, 8,021,302.80 and 3,104,053.60 is: 4,657,418.17
Step by Step Solution
- Step 1: Write the proportion equation
5,345,999.20 : 8,021,302.80 = 3,104,053.60 : x - Step 2: Convert to fraction form
5,345,999.20/8,021,302.80 = 3,104,053.60/x - Step 3: Cross multiply
5,345,999.20x = 8,021,302.80 × 3,104,053.60 - Step 4: Simplify right side
5,345,999.20x = 24,898,553,833,030.08 - Step 5: Solve for x
x = 24,898,553,833,030.08/5,345,999.20 - Step 6: Final answer
x = 4,657,418.17
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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.