Finding the Fourth Proportional to 1,929,069.97, 2,661,871.87 and 1,057,675.35
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Solution
The fourth proportional to 1,929,069.97, 2,661,871.87 and 1,057,675.35 is: 1,459,457.83
Step by Step Solution
- Step 1: Write the proportion equation
1,929,069.97 : 2,661,871.87 = 1,057,675.35 : x - Step 2: Convert to fraction form
1,929,069.97/2,661,871.87 = 1,057,675.35/x - Step 3: Cross multiply
1,929,069.97x = 2,661,871.87 × 1,057,675.35 - Step 4: Simplify right side
1,929,069.97x = 2,815,396,276,036.23 - Step 5: Solve for x
x = 2,815,396,276,036.23/1,929,069.97 - Step 6: Final answer
x = 1,459,457.83
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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.