Finding the Fourth Proportional to 3,044,879.24, 4,201,933.24 and 1,668,275.12
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Solution
The fourth proportional to 3,044,879.24, 4,201,933.24 and 1,668,275.12 is: 2,302,219.59
Step by Step Solution
- Step 1: Write the proportion equation
3,044,879.24 : 4,201,933.24 = 1,668,275.12 : x - Step 2: Convert to fraction form
3,044,879.24/4,201,933.24 = 1,668,275.12/x - Step 3: Cross multiply
3,044,879.24x = 4,201,933.24 × 1,668,275.12 - Step 4: Simplify right side
3,044,879.24x = 7,009,980,655,012.64 - Step 5: Solve for x
x = 7,009,980,655,012.64/3,044,879.24 - Step 6: Final answer
x = 2,302,219.59
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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.