Finding the Fourth Proportional to 6,403,901.50, 8,837,453.85 and 3,503,230.09
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Solution
The fourth proportional to 6,403,901.50, 8,837,453.85 and 3,503,230.09 is: 4,834,495.70
Step by Step Solution
- Step 1: Write the proportion equation
6,403,901.50 : 8,837,453.85 = 3,503,230.09 : x - Step 2: Convert to fraction form
6,403,901.50/8,837,453.85 = 3,503,230.09/x - Step 3: Cross multiply
6,403,901.50x = 8,837,453.85 × 3,503,230.09 - Step 4: Simplify right side
6,403,901.50x = 30,959,634,246,306.34 - Step 5: Solve for x
x = 30,959,634,246,306.34/6,403,901.50 - Step 6: Final answer
x = 4,834,495.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.