Finding the Fourth Proportional to 1,574,394.86, 2,172,121.18 and 954,398.81
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Solution
The fourth proportional to 1,574,394.86, 2,172,121.18 and 954,398.81 is: 1,316,740.75
Step by Step Solution
- Step 1: Write the proportion equation
1,574,394.86 : 2,172,121.18 = 954,398.81 : x - Step 2: Convert to fraction form
1,574,394.86/2,172,121.18 = 954,398.81/x - Step 3: Cross multiply
1,574,394.86x = 2,172,121.18 × 954,398.81 - Step 4: Simplify right side
1,574,394.86x = 2,073,069,876,320.25 - Step 5: Solve for x
x = 2,073,069,876,320.25/1,574,394.86 - Step 6: Final answer
x = 1,316,740.75
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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.