Finding the Fourth Proportional to 3,845,720.88, 5,768,140.68 and 1,006,107.12
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Solution
The fourth proportional to 3,845,720.88, 5,768,140.68 and 1,006,107.12 is: 1,509,045.40
Step by Step Solution
- Step 1: Write the proportion equation
3,845,720.88 : 5,768,140.68 = 1,006,107.12 : x - Step 2: Convert to fraction form
3,845,720.88/5,768,140.68 = 1,006,107.12/x - Step 3: Cross multiply
3,845,720.88x = 5,768,140.68 × 1,006,107.12 - Step 4: Simplify right side
3,845,720.88x = 5,803,367,407,309.64 - Step 5: Solve for x
x = 5,803,367,407,309.64/3,845,720.88 - Step 6: Final answer
x = 1,509,045.40
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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.