Finding the Fourth Proportional to 3,366,641.12, 4,645,995.42 and 1,916,430.48
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Solution
The fourth proportional to 3,366,641.12, 4,645,995.42 and 1,916,430.48 is: 2,644,691.52
Step by Step Solution
- Step 1: Write the proportion equation
3,366,641.12 : 4,645,995.42 = 1,916,430.48 : x - Step 2: Convert to fraction form
3,366,641.12/4,645,995.42 = 1,916,430.48/x - Step 3: Cross multiply
3,366,641.12x = 4,645,995.42 × 1,916,430.48 - Step 4: Simplify right side
3,366,641.12x = 8,903,727,232,828.40 - Step 5: Solve for x
x = 8,903,727,232,828.40/3,366,641.12 - Step 6: Final answer
x = 2,644,691.52
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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.