Finding the Fourth Proportional to 1,889,041.48, 2,606,879.22 and 1,029,602.44
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Solution
The fourth proportional to 1,889,041.48, 2,606,879.22 and 1,029,602.44 is: 1,420,852.45
Step by Step Solution
- Step 1: Write the proportion equation
1,889,041.48 : 2,606,879.22 = 1,029,602.44 : x - Step 2: Convert to fraction form
1,889,041.48/2,606,879.22 = 1,029,602.44/x - Step 3: Cross multiply
1,889,041.48x = 2,606,879.22 × 1,029,602.44 - Step 4: Simplify right side
1,889,041.48x = 2,684,049,205,697.30 - Step 5: Solve for x
x = 2,684,049,205,697.30/1,889,041.48 - Step 6: Final answer
x = 1,420,852.45
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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.