Finding the Fourth Proportional to 2,825,860.15, 3,899,568.18 and 1,602,248.23
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Solution
The fourth proportional to 2,825,860.15, 3,899,568.18 and 1,602,248.23 is: 2,211,035.18
Step by Step Solution
- Step 1: Write the proportion equation
2,825,860.15 : 3,899,568.18 = 1,602,248.23 : x - Step 2: Convert to fraction form
2,825,860.15/3,899,568.18 = 1,602,248.23/x - Step 3: Cross multiply
2,825,860.15x = 3,899,568.18 × 1,602,248.23 - Step 4: Simplify right side
2,825,860.15x = 6,248,076,214,169.32 - Step 5: Solve for x
x = 6,248,076,214,169.32/2,825,860.15 - Step 6: Final answer
x = 2,211,035.18
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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.