Finding the Fourth Proportional to 1,539,073.44, 2,123,916.12 and 860,009.94
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Solution
The fourth proportional to 1,539,073.44, 2,123,916.12 and 860,009.94 is: 1,186,810.80
Step by Step Solution
- Step 1: Write the proportion equation
1,539,073.44 : 2,123,916.12 = 860,009.94 : x - Step 2: Convert to fraction form
1,539,073.44/2,123,916.12 = 860,009.94/x - Step 3: Cross multiply
1,539,073.44x = 2,123,916.12 × 860,009.94 - Step 4: Simplify right side
1,539,073.44x = 1,826,588,974,926.23 - Step 5: Solve for x
x = 1,826,588,974,926.23/1,539,073.44 - Step 6: Final answer
x = 1,186,810.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.