Finding the Fourth Proportional to 1,457,431.07, 2,186,426.79 and 558,802.71
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Solution
The fourth proportional to 1,457,431.07, 2,186,426.79 and 558,802.71 is: 838,311.50
Step by Step Solution
- Step 1: Write the proportion equation
1,457,431.07 : 2,186,426.79 = 558,802.71 : x - Step 2: Convert to fraction form
1,457,431.07/2,186,426.79 = 558,802.71/x - Step 3: Cross multiply
1,457,431.07x = 2,186,426.79 × 558,802.71 - Step 4: Simplify right side
1,457,431.07x = 1,221,781,215,468.60 - Step 5: Solve for x
x = 1,221,781,215,468.60/1,457,431.07 - Step 6: Final answer
x = 838,311.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.