Finding the Fourth Proportional to 1,542,888.19, 2,314,701.79 and 643,829.80
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Solution
The fourth proportional to 1,542,888.19, 2,314,701.79 and 643,829.80 is: 965,898.88
Step by Step Solution
- Step 1: Write the proportion equation
1,542,888.19 : 2,314,701.79 = 643,829.80 : x - Step 2: Convert to fraction form
1,542,888.19/2,314,701.79 = 643,829.80/x - Step 3: Cross multiply
1,542,888.19x = 2,314,701.79 × 643,829.80 - Step 4: Simplify right side
1,542,888.19x = 1,490,273,975,722.68 - Step 5: Solve for x
x = 1,490,273,975,722.68/1,542,888.19 - Step 6: Final answer
x = 965,898.88
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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.