Finding the Fourth Proportional to 1,488,382.96, 2,230,006.68 and 814,948.96
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Solution
The fourth proportional to 1,488,382.96, 2,230,006.68 and 814,948.96 is: 1,221,017.49
Step by Step Solution
- Step 1: Write the proportion equation
1,488,382.96 : 2,230,006.68 = 814,948.96 : x - Step 2: Convert to fraction form
1,488,382.96/2,230,006.68 = 814,948.96/x - Step 3: Cross multiply
1,488,382.96x = 2,230,006.68 × 814,948.96 - Step 4: Simplify right side
1,488,382.96x = 1,817,341,624,659.05 - Step 5: Solve for x
x = 1,817,341,624,659.05/1,488,382.96 - Step 6: Final answer
x = 1,221,017.49
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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.