Finding the Fourth Proportional to 1,490,166.70, 2,245,206.68 and 1,348,192.12
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Solution
The fourth proportional to 1,490,166.70, 2,245,206.68 and 1,348,192.12 is: 2,031,296.20
Step by Step Solution
- Step 1: Write the proportion equation
1,490,166.70 : 2,245,206.68 = 1,348,192.12 : x - Step 2: Convert to fraction form
1,490,166.70/2,245,206.68 = 1,348,192.12/x - Step 3: Cross multiply
1,490,166.70x = 2,245,206.68 × 1,348,192.12 - Step 4: Simplify right side
1,490,166.70x = 3,026,969,953,747.36 - Step 5: Solve for x
x = 3,026,969,953,747.36/1,490,166.70 - Step 6: Final answer
x = 2,031,296.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.