Finding the Fourth Proportional to 4,155,809.41, 6,228,306.98 and 1,690,952.73
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Solution
The fourth proportional to 4,155,809.41, 6,228,306.98 and 1,690,952.73 is: 2,534,228.99
Step by Step Solution
- Step 1: Write the proportion equation
4,155,809.41 : 6,228,306.98 = 1,690,952.73 : x - Step 2: Convert to fraction form
4,155,809.41/6,228,306.98 = 1,690,952.73/x - Step 3: Cross multiply
4,155,809.41x = 6,228,306.98 × 1,690,952.73 - Step 4: Simplify right side
4,155,809.41x = 10,531,772,665,639.21 - Step 5: Solve for x
x = 10,531,772,665,639.21/4,155,809.41 - Step 6: Final answer
x = 2,534,228.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.