Finding the Fourth Proportional to 1,484,666.20, 2,048,863.17 and 805,602.70
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Solution
The fourth proportional to 1,484,666.20, 2,048,863.17 and 805,602.70 is: 1,111,744.65
Step by Step Solution
- Step 1: Write the proportion equation
1,484,666.20 : 2,048,863.17 = 805,602.70 : x - Step 2: Convert to fraction form
1,484,666.20/2,048,863.17 = 805,602.70/x - Step 3: Cross multiply
1,484,666.20x = 2,048,863.17 × 805,602.70 - Step 4: Simplify right side
1,484,666.20x = 1,650,569,701,682.56 - Step 5: Solve for x
x = 1,650,569,701,682.56/1,484,666.20 - Step 6: Final answer
x = 1,111,744.65
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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.