Finding the Fourth Proportional to 2,955,473.16, 4,078,471.50 and 1,666,302.36
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Solution
The fourth proportional to 2,955,473.16, 4,078,471.50 and 1,666,302.36 is: 2,299,451.33
Step by Step Solution
- Step 1: Write the proportion equation
2,955,473.16 : 4,078,471.50 = 1,666,302.36 : x - Step 2: Convert to fraction form
2,955,473.16/4,078,471.50 = 1,666,302.36/x - Step 3: Cross multiply
2,955,473.16x = 4,078,471.50 × 1,666,302.36 - Step 4: Simplify right side
2,955,473.16x = 6,795,966,685,642.74 - Step 5: Solve for x
x = 6,795,966,685,642.74/2,955,473.16 - Step 6: Final answer
x = 2,299,451.33
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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.