Finding the Fourth Proportional to 1,437,571.35, 1,984,486.14 and 928,521.99
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Solution
The fourth proportional to 1,437,571.35, 1,984,486.14 and 928,521.99 is: 1,281,772.22
Step by Step Solution
- Step 1: Write the proportion equation
1,437,571.35 : 1,984,486.14 = 928,521.99 : x - Step 2: Convert to fraction form
1,437,571.35/1,984,486.14 = 928,521.99/x - Step 3: Cross multiply
1,437,571.35x = 1,984,486.14 × 928,521.99 - Step 4: Simplify right side
1,437,571.35x = 1,842,639,019,840.22 - Step 5: Solve for x
x = 1,842,639,019,840.22/1,437,571.35 - Step 6: Final answer
x = 1,281,772.22
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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.