Finding the Fourth Proportional to 2,140,193.88, 2,953,466.84 and 1,173,303.42
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Solution
The fourth proportional to 2,140,193.88, 2,953,466.84 and 1,173,303.42 is: 1,619,158.33
Step by Step Solution
- Step 1: Write the proportion equation
2,140,193.88 : 2,953,466.84 = 1,173,303.42 : x - Step 2: Convert to fraction form
2,140,193.88/2,953,466.84 = 1,173,303.42/x - Step 3: Cross multiply
2,140,193.88x = 2,953,466.84 × 1,173,303.42 - Step 4: Simplify right side
2,140,193.88x = 3,465,312,738,362.08 - Step 5: Solve for x
x = 3,465,312,738,362.08/2,140,193.88 - Step 6: Final answer
x = 1,619,158.33
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1.5x scale
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.