Finding the Fourth Proportional to 6,909,302.07, 10,365,281.49 and 2,649,138.03
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Solution
The fourth proportional to 6,909,302.07, 10,365,281.49 and 2,649,138.03 is: 3,974,216.37
Step by Step Solution
- Step 1: Write the proportion equation
6,909,302.07 : 10,365,281.49 = 2,649,138.03 : x - Step 2: Convert to fraction form
6,909,302.07/10,365,281.49 = 2,649,138.03/x - Step 3: Cross multiply
6,909,302.07x = 10,365,281.49 × 2,649,138.03 - Step 4: Simplify right side
6,909,302.07x = 27,459,061,386,814.06 - Step 5: Solve for x
x = 27,459,061,386,814.06/6,909,302.07 - Step 6: Final answer
x = 3,974,216.37
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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.