Finding the Fourth Proportional to 5,020,713.21, 6,928,730.38 and 2,845,184.03
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Solution
The fourth proportional to 5,020,713.21, 6,928,730.38 and 2,845,184.03 is: 3,926,436.78
Step by Step Solution
- Step 1: Write the proportion equation
5,020,713.21 : 6,928,730.38 = 2,845,184.03 : x - Step 2: Convert to fraction form
5,020,713.21/6,928,730.38 = 2,845,184.03/x - Step 3: Cross multiply
5,020,713.21x = 6,928,730.38 × 2,845,184.03 - Step 4: Simplify right side
5,020,713.21x = 19,713,513,020,247.40 - Step 5: Solve for x
x = 19,713,513,020,247.40/5,020,713.21 - Step 6: Final answer
x = 3,926,436.78
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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.