Finding the Fourth Proportional to 5,263,760.30, 7,896,394.35 and 1,620,799.07
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Solution
The fourth proportional to 5,263,760.30, 7,896,394.35 and 1,620,799.07 is: 2,431,430.74
Step by Step Solution
- Step 1: Write the proportion equation
5,263,760.30 : 7,896,394.35 = 1,620,799.07 : x - Step 2: Convert to fraction form
5,263,760.30/7,896,394.35 = 1,620,799.07/x - Step 3: Cross multiply
5,263,760.30x = 7,896,394.35 × 1,620,799.07 - Step 4: Simplify right side
5,263,760.30x = 12,798,468,579,351.28 - Step 5: Solve for x
x = 12,798,468,579,351.28/5,263,760.30 - Step 6: Final answer
x = 2,431,430.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.