Finding the Fourth Proportional to 1,427,631.14, 1,970,125.72 and 883,658.62
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Solution
The fourth proportional to 1,427,631.14, 1,970,125.72 and 883,658.62 is: 1,219,445.64
Step by Step Solution
- Step 1: Write the proportion equation
1,427,631.14 : 1,970,125.72 = 883,658.62 : x - Step 2: Convert to fraction form
1,427,631.14/1,970,125.72 = 883,658.62/x - Step 3: Cross multiply
1,427,631.14x = 1,970,125.72 × 883,658.62 - Step 4: Simplify right side
1,427,631.14x = 1,740,918,574,961.71 - Step 5: Solve for x
x = 1,740,918,574,961.71/1,427,631.14 - Step 6: Final answer
x = 1,219,445.64
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.