Finding the Fourth Proportional to 1,078,184.21, 1,617,104.88 and 358,466.09
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Solution
The fourth proportional to 1,078,184.21, 1,617,104.88 and 358,466.09 is: 537,642.13
Step by Step Solution
- Step 1: Write the proportion equation
1,078,184.21 : 1,617,104.88 = 358,466.09 : x - Step 2: Convert to fraction form
1,078,184.21/1,617,104.88 = 358,466.09/x - Step 3: Cross multiply
1,078,184.21x = 1,617,104.88 × 358,466.09 - Step 4: Simplify right side
1,078,184.21x = 579,677,255,368.00 - Step 5: Solve for x
x = 579,677,255,368.00/1,078,184.21 - Step 6: Final answer
x = 537,642.13
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.