Finding the Fourth Proportional to 2,146,368.32, 3,219,545.76 and 548,931.68
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Solution
The fourth proportional to 2,146,368.32, 3,219,545.76 and 548,931.68 is: 823,395.80
Step by Step Solution
- Step 1: Write the proportion equation
2,146,368.32 : 3,219,545.76 = 548,931.68 : x - Step 2: Convert to fraction form
2,146,368.32/3,219,545.76 = 548,931.68/x - Step 3: Cross multiply
2,146,368.32x = 3,219,545.76 × 548,931.68 - Step 4: Simplify right side
2,146,368.32x = 1,767,310,662,873.68 - Step 5: Solve for x
x = 1,767,310,662,873.68/2,146,368.32 - Step 6: Final answer
x = 823,395.80
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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.