Finding the Fourth Proportional to 2,420,509.44, 3,338,829.36 and 1,490,366.88
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Solution
The fourth proportional to 2,420,509.44, 3,338,829.36 and 1,490,366.88 is: 2,055,798.92
Step by Step Solution
- Step 1: Write the proportion equation
2,420,509.44 : 3,338,829.36 = 1,490,366.88 : x - Step 2: Convert to fraction form
2,420,509.44/3,338,829.36 = 1,490,366.88/x - Step 3: Cross multiply
2,420,509.44x = 3,338,829.36 × 1,490,366.88 - Step 4: Simplify right side
2,420,509.44x = 4,976,080,696,115.60 - Step 5: Solve for x
x = 4,976,080,696,115.60/2,420,509.44 - Step 6: Final answer
x = 2,055,798.92
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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.