Finding the Fourth Proportional to 7,220,292.38, 10,830,355.04 and 1,755,418.20
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Solution
The fourth proportional to 7,220,292.38, 10,830,355.04 and 1,755,418.20 is: 2,633,106.99
Step by Step Solution
- Step 1: Write the proportion equation
7,220,292.38 : 10,830,355.04 = 1,755,418.20 : x - Step 2: Convert to fraction form
7,220,292.38/10,830,355.04 = 1,755,418.20/x - Step 3: Cross multiply
7,220,292.38x = 10,830,355.04 × 1,755,418.20 - Step 4: Simplify right side
7,220,292.38x = 19,011,802,349,677.73 - Step 5: Solve for x
x = 19,011,802,349,677.73/7,220,292.38 - Step 6: Final answer
x = 2,633,106.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.