Finding the Fourth Proportional to 2,828,187.88, 3,902,980.68 and 1,539,109.94
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Solution
The fourth proportional to 2,828,187.88, 3,902,980.68 and 1,539,109.94 is: 2,124,016.01
Step by Step Solution
- Step 1: Write the proportion equation
2,828,187.88 : 3,902,980.68 = 1,539,109.94 : x - Step 2: Convert to fraction form
2,828,187.88/3,902,980.68 = 1,539,109.94/x - Step 3: Cross multiply
2,828,187.88x = 3,902,980.68 × 1,539,109.94 - Step 4: Simplify right side
2,828,187.88x = 6,007,116,340,701.06 - Step 5: Solve for x
x = 6,007,116,340,701.06/2,828,187.88 - Step 6: Final answer
x = 2,124,016.01
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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.