Finding the Fourth Proportional to 2,877,035.24, 3,970,289.08 and 1,587,875.60
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Solution
The fourth proportional to 2,877,035.24, 3,970,289.08 and 1,587,875.60 is: 2,191,257.54
Step by Step Solution
- Step 1: Write the proportion equation
2,877,035.24 : 3,970,289.08 = 1,587,875.60 : x - Step 2: Convert to fraction form
2,877,035.24/3,970,289.08 = 1,587,875.60/x - Step 3: Cross multiply
2,877,035.24x = 3,970,289.08 × 1,587,875.60 - Step 4: Simplify right side
2,877,035.24x = 6,304,325,155,078.45 - Step 5: Solve for x
x = 6,304,325,155,078.45/2,877,035.24 - Step 6: Final answer
x = 2,191,257.54
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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.