Finding the Fourth Proportional to 1,975,838.13, 2,726,659.26 and 1,070,420.13
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Solution
The fourth proportional to 1,975,838.13, 2,726,659.26 and 1,070,420.13 is: 1,477,181.21
Step by Step Solution
- Step 1: Write the proportion equation
1,975,838.13 : 2,726,659.26 = 1,070,420.13 : x - Step 2: Convert to fraction form
1,975,838.13/2,726,659.26 = 1,070,420.13/x - Step 3: Cross multiply
1,975,838.13x = 2,726,659.26 × 1,070,420.13 - Step 4: Simplify right side
1,975,838.13x = 2,918,670,959,554.90 - Step 5: Solve for x
x = 2,918,670,959,554.90/1,975,838.13 - Step 6: Final answer
x = 1,477,181.21
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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.