Finding the Fourth Proportional to 1,470,345.20, 2,204,351.40 and 805,497.20
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Solution
The fourth proportional to 1,470,345.20, 2,204,351.40 and 805,497.20 is: 1,207,606.81
Step by Step Solution
- Step 1: Write the proportion equation
1,470,345.20 : 2,204,351.40 = 805,497.20 : x - Step 2: Convert to fraction form
1,470,345.20/2,204,351.40 = 805,497.20/x - Step 3: Cross multiply
1,470,345.20x = 2,204,351.40 × 805,497.20 - Step 4: Simplify right side
1,470,345.20x = 1,775,598,880,516.08 - Step 5: Solve for x
x = 1,775,598,880,516.08/1,470,345.20 - Step 6: Final answer
x = 1,207,606.81
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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.