Finding the Fourth Proportional to 1,985,693.13, 2,740,170.15 and 1,102,587.32
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Solution
The fourth proportional to 1,985,693.13, 2,740,170.15 and 1,102,587.32 is: 1,521,522.55
Step by Step Solution
- Step 1: Write the proportion equation
1,985,693.13 : 2,740,170.15 = 1,102,587.32 : x - Step 2: Convert to fraction form
1,985,693.13/2,740,170.15 = 1,102,587.32/x - Step 3: Cross multiply
1,985,693.13x = 2,740,170.15 × 1,102,587.32 - Step 4: Simplify right side
1,985,693.13x = 3,021,276,868,882.92 - Step 5: Solve for x
x = 3,021,276,868,882.92/1,985,693.13 - Step 6: Final answer
x = 1,521,522.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.