Finding the Fourth Proportional to 1,781,276.48, 2,667,484.80 and 1,246,292.96
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Solution
The fourth proportional to 1,781,276.48, 2,667,484.80 and 1,246,292.96 is: 1,866,339.99
Step by Step Solution
- Step 1: Write the proportion equation
1,781,276.48 : 2,667,484.80 = 1,246,292.96 : x - Step 2: Convert to fraction form
1,781,276.48/2,667,484.80 = 1,246,292.96/x - Step 3: Cross multiply
1,781,276.48x = 2,667,484.80 × 1,246,292.96 - Step 4: Simplify right side
1,781,276.48x = 3,324,467,527,147.01 - Step 5: Solve for x
x = 3,324,467,527,147.01/1,781,276.48 - Step 6: Final answer
x = 1,866,339.99
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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.