Finding the Fourth Proportional to 1,868,534.12, 2,578,576.98 and 1,009,094.29
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Solution
The fourth proportional to 1,868,534.12, 2,578,576.98 and 1,009,094.29 is: 1,392,550.06
Step by Step Solution
- Step 1: Write the proportion equation
1,868,534.12 : 2,578,576.98 = 1,009,094.29 : x - Step 2: Convert to fraction form
1,868,534.12/2,578,576.98 = 1,009,094.29/x - Step 3: Cross multiply
1,868,534.12x = 2,578,576.98 × 1,009,094.29 - Step 4: Simplify right side
1,868,534.12x = 2,602,027,306,843.44 - Step 5: Solve for x
x = 2,602,027,306,843.44/1,868,534.12 - Step 6: Final answer
x = 1,392,550.06
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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.