Finding the Fourth Proportional to 1,347,916.88, 2,021,836.40 and 549,000.88
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Solution
The fourth proportional to 1,347,916.88, 2,021,836.40 and 549,000.88 is: 823,485.47
Step by Step Solution
- Step 1: Write the proportion equation
1,347,916.88 : 2,021,836.40 = 549,000.88 : x - Step 2: Convert to fraction form
1,347,916.88/2,021,836.40 = 549,000.88/x - Step 3: Cross multiply
1,347,916.88x = 2,021,836.40 × 549,000.88 - Step 4: Simplify right side
1,347,916.88x = 1,109,989,962,816.03 - Step 5: Solve for x
x = 1,109,989,962,816.03/1,347,916.88 - Step 6: Final answer
x = 823,485.47
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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.