Finding the Fourth Proportional to 3,067,395.40, 4,232,984.58 and 1,690,740.28
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Solution
The fourth proportional to 3,067,395.40, 4,232,984.58 and 1,690,740.28 is: 2,333,209.97
Step by Step Solution
- Step 1: Write the proportion equation
3,067,395.40 : 4,232,984.58 = 1,690,740.28 : x - Step 2: Convert to fraction form
3,067,395.40/4,232,984.58 = 1,690,740.28/x - Step 3: Cross multiply
3,067,395.40x = 4,232,984.58 × 1,690,740.28 - Step 4: Simplify right side
3,067,395.40x = 7,156,877,534,024.88 - Step 5: Solve for x
x = 7,156,877,534,024.88/3,067,395.40 - Step 6: Final answer
x = 2,333,209.97
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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.