Finding the Fourth Proportional to 1,804,385.12, 2,490,051.40 and 988,619.75
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Solution
The fourth proportional to 1,804,385.12, 2,490,051.40 and 988,619.75 is: 1,364,295.22
Step by Step Solution
- Step 1: Write the proportion equation
1,804,385.12 : 2,490,051.40 = 988,619.75 : x - Step 2: Convert to fraction form
1,804,385.12/2,490,051.40 = 988,619.75/x - Step 3: Cross multiply
1,804,385.12x = 2,490,051.40 × 988,619.75 - Step 4: Simplify right side
1,804,385.12x = 2,461,713,992,555.15 - Step 5: Solve for x
x = 2,461,713,992,555.15/1,804,385.12 - Step 6: Final answer
x = 1,364,295.22
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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.