Finding the Fourth Proportional to 1,574,810.70, 2,173,238.18 and 859,418.70
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Solution
The fourth proportional to 1,574,810.70, 2,173,238.18 and 859,418.70 is: 1,185,997.49
Step by Step Solution
- Step 1: Write the proportion equation
1,574,810.70 : 2,173,238.18 = 859,418.70 : x - Step 2: Convert to fraction form
1,574,810.70/2,173,238.18 = 859,418.70/x - Step 3: Cross multiply
1,574,810.70x = 2,173,238.18 × 859,418.70 - Step 4: Simplify right side
1,574,810.70x = 1,867,721,531,445.97 - Step 5: Solve for x
x = 1,867,721,531,445.97/1,574,810.70 - Step 6: Final answer
x = 1,185,997.49
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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.