Finding the Fourth Proportional to 1,368,054.87, 1,887,916.13 and 747,862.74
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Solution
The fourth proportional to 1,368,054.87, 1,887,916.13 and 747,862.74 is: 1,032,050.80
Step by Step Solution
- Step 1: Write the proportion equation
1,368,054.87 : 1,887,916.13 = 747,862.74 : x - Step 2: Convert to fraction form
1,368,054.87/1,887,916.13 = 747,862.74/x - Step 3: Cross multiply
1,368,054.87x = 1,887,916.13 × 747,862.74 - Step 4: Simplify right side
1,368,054.87x = 1,411,902,123,075.89 - Step 5: Solve for x
x = 1,411,902,123,075.89/1,368,054.87 - Step 6: Final answer
x = 1,032,050.80
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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.