Finding the Fourth Proportional to 7,070,167.90, 10,605,184.08 and 4,189,461.09
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Solution
The fourth proportional to 7,070,167.90, 10,605,184.08 and 4,189,461.09 is: 6,284,151.48
Step by Step Solution
- Step 1: Write the proportion equation
7,070,167.90 : 10,605,184.08 = 4,189,461.09 : x - Step 2: Convert to fraction form
7,070,167.90/10,605,184.08 = 4,189,461.09/x - Step 3: Cross multiply
7,070,167.90x = 10,605,184.08 × 4,189,461.09 - Step 4: Simplify right side
7,070,167.90x = 44,430,006,055,447.45 - Step 5: Solve for x
x = 44,430,006,055,447.45/7,070,167.90 - Step 6: Final answer
x = 6,284,151.48
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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.