Finding the Fourth Proportional to 2,184,839.80, 3,277,259.70 and 989,097.55
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Solution
The fourth proportional to 2,184,839.80, 3,277,259.70 and 989,097.55 is: 1,483,646.33
Step by Step Solution
- Step 1: Write the proportion equation
2,184,839.80 : 3,277,259.70 = 989,097.55 : x - Step 2: Convert to fraction form
2,184,839.80/3,277,259.70 = 989,097.55/x - Step 3: Cross multiply
2,184,839.80x = 3,277,259.70 × 989,097.55 - Step 4: Simplify right side
2,184,839.80x = 3,241,529,539,983.74 - Step 5: Solve for x
x = 3,241,529,539,983.74/2,184,839.80 - Step 6: Final answer
x = 1,483,646.33
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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.