Finding the Fourth Proportional to 1,484,809.76, 2,049,042.96 and 805,746.08
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Solution
The fourth proportional to 1,484,809.76, 2,049,042.96 and 805,746.08 is: 1,111,932.57
Step by Step Solution
- Step 1: Write the proportion equation
1,484,809.76 : 2,049,042.96 = 805,746.08 : x - Step 2: Convert to fraction form
1,484,809.76/2,049,042.96 = 805,746.08/x - Step 3: Cross multiply
1,484,809.76x = 2,049,042.96 × 805,746.08 - Step 4: Simplify right side
1,484,809.76x = 1,651,008,332,771.60 - Step 5: Solve for x
x = 1,651,008,332,771.60/1,484,809.76 - Step 6: Final answer
x = 1,111,932.57
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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.