Finding the Fourth Proportional to 1,670,672.51, 2,305,529.01 and 906,726.08
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Solution
The fourth proportional to 1,670,672.51, 2,305,529.01 and 906,726.08 is: 1,251,282.50
Step by Step Solution
- Step 1: Write the proportion equation
1,670,672.51 : 2,305,529.01 = 906,726.08 : x - Step 2: Convert to fraction form
1,670,672.51/2,305,529.01 = 906,726.08/x - Step 3: Cross multiply
1,670,672.51x = 2,305,529.01 × 906,726.08 - Step 4: Simplify right side
1,670,672.51x = 2,090,483,270,035.94 - Step 5: Solve for x
x = 2,090,483,270,035.94/1,670,672.51 - Step 6: Final answer
x = 1,251,282.50
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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.