Finding the Fourth Proportional to 2,658,776.87, 3,668,904.92 and 1,570,842.10
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Solution
The fourth proportional to 2,658,776.87, 3,668,904.92 and 1,570,842.10 is: 2,167,639.70
Step by Step Solution
- Step 1: Write the proportion equation
2,658,776.87 : 3,668,904.92 = 1,570,842.10 : x - Step 2: Convert to fraction form
2,658,776.87/3,668,904.92 = 1,570,842.10/x - Step 3: Cross multiply
2,658,776.87x = 3,668,904.92 × 1,570,842.10 - Step 4: Simplify right side
2,658,776.87x = 5,763,270,309,233.13 - Step 5: Solve for x
x = 5,763,270,309,233.13/2,658,776.87 - Step 6: Final answer
x = 2,167,639.70
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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.