Finding the Fourth Proportional to 1,477,487.20, 2,214,918.60 and 877,811.80
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Solution
The fourth proportional to 1,477,487.20, 2,214,918.60 and 877,811.80 is: 1,315,938.09
Step by Step Solution
- Step 1: Write the proportion equation
1,477,487.20 : 2,214,918.60 = 877,811.80 : x - Step 2: Convert to fraction form
1,477,487.20/2,214,918.60 = 877,811.80/x - Step 3: Cross multiply
1,477,487.20x = 2,214,918.60 × 877,811.80 - Step 4: Simplify right side
1,477,487.20x = 1,944,281,683,119.48 - Step 5: Solve for x
x = 1,944,281,683,119.48/1,477,487.20 - Step 6: Final answer
x = 1,315,938.09
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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.