Finding the Fourth Proportional to 2,403,350.87, 3,316,623.93 and 1,315,623.20
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Solution
The fourth proportional to 2,403,350.87, 3,316,623.93 and 1,315,623.20 is: 1,815,559.86
Step by Step Solution
- Step 1: Write the proportion equation
2,403,350.87 : 3,316,623.93 = 1,315,623.20 : x - Step 2: Convert to fraction form
2,403,350.87/3,316,623.93 = 1,315,623.20/x - Step 3: Cross multiply
2,403,350.87x = 3,316,623.93 × 1,315,623.20 - Step 4: Simplify right side
2,403,350.87x = 4,363,427,371,400.06 - Step 5: Solve for x
x = 4,363,427,371,400.06/2,403,350.87 - Step 6: Final answer
x = 1,815,559.86
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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.