Finding the Fourth Proportional to 1,484,874.84, 2,049,128.70 and 805,811.34
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Solution
The fourth proportional to 1,484,874.84, 2,049,128.70 and 805,811.34 is: 1,112,020.42
Step by Step Solution
- Step 1: Write the proportion equation
1,484,874.84 : 2,049,128.70 = 805,811.34 : x - Step 2: Convert to fraction form
1,484,874.84/2,049,128.70 = 805,811.34/x - Step 3: Cross multiply
1,484,874.84x = 2,049,128.70 × 805,811.34 - Step 4: Simplify right side
1,484,874.84x = 1,651,211,143,579.46 - Step 5: Solve for x
x = 1,651,211,143,579.46/1,484,874.84 - Step 6: Final answer
x = 1,112,020.42
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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.