Finding the Fourth Proportional to 1,689,347.34, 2,331,303.12 and 925,403.94
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Solution
The fourth proportional to 1,689,347.34, 2,331,303.12 and 925,403.94 is: 1,277,059.51
Step by Step Solution
- Step 1: Write the proportion equation
1,689,347.34 : 2,331,303.12 = 925,403.94 : x - Step 2: Convert to fraction form
1,689,347.34/2,331,303.12 = 925,403.94/x - Step 3: Cross multiply
1,689,347.34x = 2,331,303.12 × 925,403.94 - Step 4: Simplify right side
1,689,347.34x = 2,157,397,092,582.29 - Step 5: Solve for x
x = 2,157,397,092,582.29/1,689,347.34 - Step 6: Final answer
x = 1,277,059.51
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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.