Finding the Fourth Proportional to 5,184,813.60, 7,766,722.80 and 2,938,327.20
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Solution
The fourth proportional to 5,184,813.60, 7,766,722.80 and 2,938,327.20 is: 4,401,541.62
Step by Step Solution
- Step 1: Write the proportion equation
5,184,813.60 : 7,766,722.80 = 2,938,327.20 : x - Step 2: Convert to fraction form
5,184,813.60/7,766,722.80 = 2,938,327.20/x - Step 3: Cross multiply
5,184,813.60x = 7,766,722.80 × 2,938,327.20 - Step 4: Simplify right side
5,184,813.60x = 22,821,172,858,100.16 - Step 5: Solve for x
x = 22,821,172,858,100.16/5,184,813.60 - Step 6: Final answer
x = 4,401,541.62
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1.5x scale
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.