Finding the Fourth Proportional to 1,670,816.06, 2,305,730.61 and 906,869.63
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Solution
The fourth proportional to 1,670,816.06, 2,305,730.61 and 906,869.63 is: 1,251,482.50
Step by Step Solution
- Step 1: Write the proportion equation
1,670,816.06 : 2,305,730.61 = 906,869.63 : x - Step 2: Convert to fraction form
1,670,816.06/2,305,730.61 = 906,869.63/x - Step 3: Cross multiply
1,670,816.06x = 2,305,730.61 × 906,869.63 - Step 4: Simplify right side
1,670,816.06x = 2,090,997,065,170.37 - Step 5: Solve for x
x = 2,090,997,065,170.37/1,670,816.06 - Step 6: Final answer
x = 1,251,482.50
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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.