Finding the Fourth Proportional to 3,673,276.98, 5,509,971.05 and 1,398,927.28
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Solution
The fourth proportional to 3,673,276.98, 5,509,971.05 and 1,398,927.28 is: 2,098,412.09
Step by Step Solution
- Step 1: Write the proportion equation
3,673,276.98 : 5,509,971.05 = 1,398,927.28 : x - Step 2: Convert to fraction form
3,673,276.98/5,509,971.05 = 1,398,927.28/x - Step 3: Cross multiply
3,673,276.98x = 5,509,971.05 × 1,398,927.28 - Step 4: Simplify right side
3,673,276.98x = 7,708,048,813,855.24 - Step 5: Solve for x
x = 7,708,048,813,855.24/3,673,276.98 - Step 6: Final answer
x = 2,098,412.09
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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.