Finding the Fourth Proportional to 1,872,247.32, 2,583,699.98 and 1,012,808.26
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Solution
The fourth proportional to 1,872,247.32, 2,583,699.98 and 1,012,808.26 is: 1,397,674.68
Step by Step Solution
- Step 1: Write the proportion equation
1,872,247.32 : 2,583,699.98 = 1,012,808.26 : x - Step 2: Convert to fraction form
1,872,247.32/2,583,699.98 = 1,012,808.26/x - Step 3: Cross multiply
1,872,247.32x = 2,583,699.98 × 1,012,808.26 - Step 4: Simplify right side
1,872,247.32x = 2,616,792,681,105.84 - Step 5: Solve for x
x = 2,616,792,681,105.84/1,872,247.32 - Step 6: Final answer
x = 1,397,674.68
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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.