Finding the Fourth Proportional to 2,045,309.58, 2,822,726.84 and 1,528,166.12
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Solution
The fourth proportional to 2,045,309.58, 2,822,726.84 and 1,528,166.12 is: 2,109,018.38
Step by Step Solution
- Step 1: Write the proportion equation
2,045,309.58 : 2,822,726.84 = 1,528,166.12 : x - Step 2: Convert to fraction form
2,045,309.58/2,822,726.84 = 1,528,166.12/x - Step 3: Cross multiply
2,045,309.58x = 2,822,726.84 × 1,528,166.12 - Step 4: Simplify right side
2,045,309.58x = 4,313,595,501,148.20 - Step 5: Solve for x
x = 4,313,595,501,148.20/2,045,309.58 - Step 6: Final answer
x = 2,109,018.38
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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.