Finding the Fourth Proportional to 3,120,959.08, 4,681,438.55 and 877,097.08
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Solution
The fourth proportional to 3,120,959.08, 4,681,438.55 and 877,097.08 is: 1,315,645.60
Step by Step Solution
- Step 1: Write the proportion equation
3,120,959.08 : 4,681,438.55 = 877,097.08 : x - Step 2: Convert to fraction form
3,120,959.08/4,681,438.55 = 877,097.08/x - Step 3: Cross multiply
3,120,959.08x = 4,681,438.55 × 877,097.08 - Step 4: Simplify right side
3,120,959.08x = 4,106,076,082,404.43 - Step 5: Solve for x
x = 4,106,076,082,404.43/3,120,959.08 - Step 6: Final answer
x = 1,315,645.60
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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.