Finding the Fourth Proportional to 1,470,605.88, 2,029,391.88 and 817,229.70
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Solution
The fourth proportional to 1,470,605.88, 2,029,391.88 and 817,229.70 is: 1,127,752.40
Step by Step Solution
- Step 1: Write the proportion equation
1,470,605.88 : 2,029,391.88 = 817,229.70 : x - Step 2: Convert to fraction form
1,470,605.88/2,029,391.88 = 817,229.70/x - Step 3: Cross multiply
1,470,605.88x = 2,029,391.88 × 817,229.70 - Step 4: Simplify right side
1,470,605.88x = 1,658,479,317,274.84 - Step 5: Solve for x
x = 1,658,479,317,274.84/1,470,605.88 - Step 6: Final answer
x = 1,127,752.40
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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.