Finding the Fourth Proportional to 1,635,513.57, 2,257,008.57 and 910,345.68
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Solution
The fourth proportional to 1,635,513.57, 2,257,008.57 and 910,345.68 is: 1,256,276.95
Step by Step Solution
- Step 1: Write the proportion equation
1,635,513.57 : 2,257,008.57 = 910,345.68 : x - Step 2: Convert to fraction form
1,635,513.57/2,257,008.57 = 910,345.68/x - Step 3: Cross multiply
1,635,513.57x = 2,257,008.57 × 910,345.68 - Step 4: Simplify right side
1,635,513.57x = 2,054,658,001,422.48 - Step 5: Solve for x
x = 2,054,658,001,422.48/1,635,513.57 - Step 6: Final answer
x = 1,256,276.95
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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.