Finding the Fourth Proportional to 2,259,368.40, 3,387,983.40 and 1,313,029.20
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Solution
The fourth proportional to 2,259,368.40, 3,387,983.40 and 1,313,029.20 is: 1,968,922.44
Step by Step Solution
- Step 1: Write the proportion equation
2,259,368.40 : 3,387,983.40 = 1,313,029.20 : x - Step 2: Convert to fraction form
2,259,368.40/3,387,983.40 = 1,313,029.20/x - Step 3: Cross multiply
2,259,368.40x = 3,387,983.40 × 1,313,029.20 - Step 4: Simplify right side
2,259,368.40x = 4,448,521,133,315.28 - Step 5: Solve for x
x = 4,448,521,133,315.28/2,259,368.40 - Step 6: Final answer
x = 1,968,922.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.