Finding the Fourth Proportional to 1,885,992.15, 2,602,596.84 and 1,070,147.18
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Solution
The fourth proportional to 1,885,992.15, 2,602,596.84 and 1,070,147.18 is: 1,476,762.07
Step by Step Solution
- Step 1: Write the proportion equation
1,885,992.15 : 2,602,596.84 = 1,070,147.18 : x - Step 2: Convert to fraction form
1,885,992.15/2,602,596.84 = 1,070,147.18/x - Step 3: Cross multiply
1,885,992.15x = 2,602,596.84 × 1,070,147.18 - Step 4: Simplify right side
1,885,992.15x = 2,785,161,669,341.42 - Step 5: Solve for x
x = 2,785,161,669,341.42/1,885,992.15 - Step 6: Final answer
x = 1,476,762.07
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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.