Finding the Fourth Proportional to 2,662,280.18, 3,673,946.57 and 1,438,585.68
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Solution
The fourth proportional to 2,662,280.18, 3,673,946.57 and 1,438,585.68 is: 1,985,248.19
Step by Step Solution
- Step 1: Write the proportion equation
2,662,280.18 : 3,673,946.57 = 1,438,585.68 : x - Step 2: Convert to fraction form
2,662,280.18/3,673,946.57 = 1,438,585.68/x - Step 3: Cross multiply
2,662,280.18x = 3,673,946.57 × 1,438,585.68 - Step 4: Simplify right side
2,662,280.18x = 5,285,286,917,494.19 - Step 5: Solve for x
x = 5,285,286,917,494.19/2,662,280.18 - Step 6: Final answer
x = 1,985,248.19
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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.