Finding the Fourth Proportional to 5,030,892.58, 6,942,281.54 and 2,855,480.02
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Solution
The fourth proportional to 5,030,892.58, 6,942,281.54 and 2,855,480.02 is: 3,940,363.65
Step by Step Solution
- Step 1: Write the proportion equation
5,030,892.58 : 6,942,281.54 = 2,855,480.02 : x - Step 2: Convert to fraction form
5,030,892.58/6,942,281.54 = 2,855,480.02/x - Step 3: Cross multiply
5,030,892.58x = 6,942,281.54 × 2,855,480.02 - Step 4: Simplify right side
5,030,892.58x = 19,823,546,230,684.83 - Step 5: Solve for x
x = 19,823,546,230,684.83/5,030,892.58 - Step 6: Final answer
x = 3,940,363.65
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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.