Finding the Fourth Proportional to 3,592,968.99, 5,386,265.60 and 1,317,970.10
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Solution
The fourth proportional to 3,592,968.99, 5,386,265.60 and 1,317,970.10 is: 1,975,785.76
Step by Step Solution
- Step 1: Write the proportion equation
3,592,968.99 : 5,386,265.60 = 1,317,970.10 : x - Step 2: Convert to fraction form
3,592,968.99/5,386,265.60 = 1,317,970.10/x - Step 3: Cross multiply
3,592,968.99x = 5,386,265.60 × 1,317,970.10 - Step 4: Simplify right side
3,592,968.99x = 7,098,936,977,937.38 - Step 5: Solve for x
x = 7,098,936,977,937.38/3,592,968.99 - Step 6: Final answer
x = 1,975,785.76
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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.