Finding the Fourth Proportional to 1,476,938.28, 2,038,177.62 and 856,863.80
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Solution
The fourth proportional to 1,476,938.28, 2,038,177.62 and 856,863.80 is: 1,182,473.66
Step by Step Solution
- Step 1: Write the proportion equation
1,476,938.28 : 2,038,177.62 = 856,863.80 : x - Step 2: Convert to fraction form
1,476,938.28/2,038,177.62 = 856,863.80/x - Step 3: Cross multiply
1,476,938.28x = 2,038,177.62 × 856,863.80 - Step 4: Simplify right side
1,476,938.28x = 1,746,440,620,548.16 - Step 5: Solve for x
x = 1,746,440,620,548.16/1,476,938.28 - Step 6: Final answer
x = 1,182,473.66
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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.