Finding the Fourth Proportional to 5,386,726.80, 8,084,026.80 and 3,792,403.80
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Solution
The fourth proportional to 5,386,726.80, 8,084,026.80 and 3,792,403.80 is: 5,691,377.17
Step by Step Solution
- Step 1: Write the proportion equation
5,386,726.80 : 8,084,026.80 = 3,792,403.80 : x - Step 2: Convert to fraction form
5,386,726.80/8,084,026.80 = 3,792,403.80/x - Step 3: Cross multiply
5,386,726.80x = 8,084,026.80 × 3,792,403.80 - Step 4: Simplify right side
5,386,726.80x = 30,657,893,955,621.84 - Step 5: Solve for x
x = 30,657,893,955,621.84/5,386,726.80 - Step 6: Final answer
x = 5,691,377.17
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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.