Finding the Fourth Proportional to 2,088,374.30, 3,135,513.90 and 1,291,212.80
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Solution
The fourth proportional to 2,088,374.30, 3,135,513.90 and 1,291,212.80 is: 1,938,644.66
Step by Step Solution
- Step 1: Write the proportion equation
2,088,374.30 : 3,135,513.90 = 1,291,212.80 : x - Step 2: Convert to fraction form
2,088,374.30/3,135,513.90 = 1,291,212.80/x - Step 3: Cross multiply
2,088,374.30x = 3,135,513.90 × 1,291,212.80 - Step 4: Simplify right side
2,088,374.30x = 4,048,615,682,257.92 - Step 5: Solve for x
x = 4,048,615,682,257.92/2,088,374.30 - Step 6: Final answer
x = 1,938,644.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.