Finding the Fourth Proportional to 2,388,579.84, 3,296,472.96 and 1,783,918.08
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Solution
The fourth proportional to 2,388,579.84, 3,296,472.96 and 1,783,918.08 is: 2,461,980.80
Step by Step Solution
- Step 1: Write the proportion equation
2,388,579.84 : 3,296,472.96 = 1,783,918.08 : x - Step 2: Convert to fraction form
2,388,579.84/3,296,472.96 = 1,783,918.08/x - Step 3: Cross multiply
2,388,579.84x = 3,296,472.96 × 1,783,918.08 - Step 4: Simplify right side
2,388,579.84x = 5,880,637,713,575.12 - Step 5: Solve for x
x = 5,880,637,713,575.12/2,388,579.84 - Step 6: Final answer
x = 2,461,980.80
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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.