Finding the Fourth Proportional to 1,836,000.99, 2,754,468.65 and 1,078,483.12
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Solution
The fourth proportional to 1,836,000.99, 2,754,468.65 and 1,078,483.12 is: 1,617,999.09
Step by Step Solution
- Step 1: Write the proportion equation
1,836,000.99 : 2,754,468.65 = 1,078,483.12 : x - Step 2: Convert to fraction form
1,836,000.99/2,754,468.65 = 1,078,483.12/x - Step 3: Cross multiply
1,836,000.99x = 2,754,468.65 × 1,078,483.12 - Step 4: Simplify right side
1,836,000.99x = 2,970,647,939,404.22 - Step 5: Solve for x
x = 2,970,647,939,404.22/1,836,000.99 - Step 6: Final answer
x = 1,617,999.09
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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.