Finding the Fourth Proportional to 1,472,195.70, 2,207,127.15 and 807,347.70
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Solution
The fourth proportional to 1,472,195.70, 2,207,127.15 and 807,347.70 is: 1,210,381.90
Step by Step Solution
- Step 1: Write the proportion equation
1,472,195.70 : 2,207,127.15 = 807,347.70 : x - Step 2: Convert to fraction form
1,472,195.70/2,207,127.15 = 807,347.70/x - Step 3: Cross multiply
1,472,195.70x = 2,207,127.15 × 807,347.70 - Step 4: Simplify right side
1,472,195.70x = 1,781,919,028,160.06 - Step 5: Solve for x
x = 1,781,919,028,160.06/1,472,195.70 - Step 6: Final answer
x = 1,210,381.90
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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.