Finding the Fourth Proportional to 6,634,897.12, 9,943,929.84 and 2,987,735.63
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Solution
The fourth proportional to 6,634,897.12, 9,943,929.84 and 2,987,735.63 is: 4,477,813.74
Step by Step Solution
- Step 1: Write the proportion equation
6,634,897.12 : 9,943,929.84 = 2,987,735.63 : x - Step 2: Convert to fraction form
6,634,897.12/9,943,929.84 = 2,987,735.63/x - Step 3: Cross multiply
6,634,897.12x = 9,943,929.84 × 2,987,735.63 - Step 4: Simplify right side
6,634,897.12x = 29,709,833,485,188.20 - Step 5: Solve for x
x = 29,709,833,485,188.20/6,634,897.12 - Step 6: Final answer
x = 4,477,813.74
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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.