Finding the Fourth Proportional to 1,472,204.70, 2,207,140.65 and 807,356.70
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Solution
The fourth proportional to 1,472,204.70, 2,207,140.65 and 807,356.70 is: 1,210,395.40
Step by Step Solution
- Step 1: Write the proportion equation
1,472,204.70 : 2,207,140.65 = 807,356.70 : x - Step 2: Convert to fraction form
1,472,204.70/2,207,140.65 = 807,356.70/x - Step 3: Cross multiply
1,472,204.70x = 2,207,140.65 × 807,356.70 - Step 4: Simplify right side
1,472,204.70x = 1,781,949,791,619.85 - Step 5: Solve for x
x = 1,781,949,791,619.85/1,472,204.70 - Step 6: Final answer
x = 1,210,395.40
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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.