Finding the Fourth Proportional to 4,905,995.16, 6,769,707.30 and 2,841,050.28
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Solution
The fourth proportional to 4,905,995.16, 6,769,707.30 and 2,841,050.28 is: 3,920,321.61
Step by Step Solution
- Step 1: Write the proportion equation
4,905,995.16 : 6,769,707.30 = 2,841,050.28 : x - Step 2: Convert to fraction form
4,905,995.16/6,769,707.30 = 2,841,050.28/x - Step 3: Cross multiply
4,905,995.16x = 6,769,707.30 × 2,841,050.28 - Step 4: Simplify right side
4,905,995.16x = 19,233,078,820,183.04 - Step 5: Solve for x
x = 19,233,078,820,183.04/4,905,995.16 - Step 6: Final answer
x = 3,920,321.61
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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.