Finding the Fourth Proportional to 1,557,788.70, 2,336,683.05 and 956,801.10
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Solution
The fourth proportional to 1,557,788.70, 2,336,683.05 and 956,801.10 is: 1,435,201.65
Step by Step Solution
- Step 1: Write the proportion equation
1,557,788.70 : 2,336,683.05 = 956,801.10 : x - Step 2: Convert to fraction form
1,557,788.70/2,336,683.05 = 956,801.10/x - Step 3: Cross multiply
1,557,788.70x = 2,336,683.05 × 956,801.10 - Step 4: Simplify right side
1,557,788.70x = 2,235,740,912,591.36 - Step 5: Solve for x
x = 2,235,740,912,591.36/1,557,788.70 - Step 6: Final answer
x = 1,435,201.65
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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.