Finding the Fourth Proportional to 3,828,569.68, 5,283,177.46 and 2,109,690.19
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Solution
The fourth proportional to 3,828,569.68, 5,283,177.46 and 2,109,690.19 is: 2,911,235.43
Step by Step Solution
- Step 1: Write the proportion equation
3,828,569.68 : 5,283,177.46 = 2,109,690.19 : x - Step 2: Convert to fraction form
3,828,569.68/5,283,177.46 = 2,109,690.19/x - Step 3: Cross multiply
3,828,569.68x = 5,283,177.46 × 2,109,690.19 - Step 4: Simplify right side
3,828,569.68x = 11,145,867,672,587.87 - Step 5: Solve for x
x = 11,145,867,672,587.87/3,828,569.68 - Step 6: Final answer
x = 2,911,235.43
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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.