Finding the Fourth Proportional to 2,438,220.15, 3,657,342.38 and 999,689.31
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Solution
The fourth proportional to 2,438,220.15, 3,657,342.38 and 999,689.31 is: 1,499,538.95
Step by Step Solution
- Step 1: Write the proportion equation
2,438,220.15 : 3,657,342.38 = 999,689.31 : x - Step 2: Convert to fraction form
2,438,220.15/3,657,342.38 = 999,689.31/x - Step 3: Cross multiply
2,438,220.15x = 3,657,342.38 × 999,689.31 - Step 4: Simplify right side
2,438,220.15x = 3,656,206,075,297.51 - Step 5: Solve for x
x = 3,656,206,075,297.51/2,438,220.15 - Step 6: Final answer
x = 1,499,538.95
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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.