Finding the Fourth Proportional to 1,607,708.16, 2,218,182.84 and 1,035,079.92
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Solution
The fourth proportional to 1,607,708.16, 2,218,182.84 and 1,035,079.92 is: 1,428,117.72
Step by Step Solution
- Step 1: Write the proportion equation
1,607,708.16 : 2,218,182.84 = 1,035,079.92 : x - Step 2: Convert to fraction form
1,607,708.16/2,218,182.84 = 1,035,079.92/x - Step 3: Cross multiply
1,607,708.16x = 2,218,182.84 × 1,035,079.92 - Step 4: Simplify right side
1,607,708.16x = 2,295,996,516,572.57 - Step 5: Solve for x
x = 2,295,996,516,572.57/1,607,708.16 - Step 6: Final answer
x = 1,428,117.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.