Finding the Fourth Proportional to 1,670,476.68, 2,305,257.76 and 906,530.24
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Solution
The fourth proportional to 1,670,476.68, 2,305,257.76 and 906,530.24 is: 1,251,011.70
Step by Step Solution
- Step 1: Write the proportion equation
1,670,476.68 : 2,305,257.76 = 906,530.24 : x - Step 2: Convert to fraction form
1,670,476.68/2,305,257.76 = 906,530.24/x - Step 3: Cross multiply
1,670,476.68x = 2,305,257.76 × 906,530.24 - Step 4: Simplify right side
1,670,476.68x = 2,089,785,870,434.66 - Step 5: Solve for x
x = 2,089,785,870,434.66/1,670,476.68 - Step 6: Final answer
x = 1,251,011.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.