Finding the Fourth Proportional to 1,422,168.84, 2,133,315.53 and 411,392.95
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Solution
The fourth proportional to 1,422,168.84, 2,133,315.53 and 411,392.95 is: 617,107.44
Step by Step Solution
- Step 1: Write the proportion equation
1,422,168.84 : 2,133,315.53 = 411,392.95 : x - Step 2: Convert to fraction form
1,422,168.84/2,133,315.53 = 411,392.95/x - Step 3: Cross multiply
1,422,168.84x = 2,133,315.53 × 411,392.95 - Step 4: Simplify right side
1,422,168.84x = 877,630,969,319.98 - Step 5: Solve for x
x = 877,630,969,319.98/1,422,168.84 - Step 6: Final answer
x = 617,107.44
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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.