Finding the Fourth Proportional to 1,525,578.08, 2,287,480.96 and 578,432.12
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Solution
The fourth proportional to 1,525,578.08, 2,287,480.96 and 578,432.12 is: 867,312.19
Step by Step Solution
- Step 1: Write the proportion equation
1,525,578.08 : 2,287,480.96 = 578,432.12 : x - Step 2: Convert to fraction form
1,525,578.08/2,287,480.96 = 578,432.12/x - Step 3: Cross multiply
1,525,578.08x = 2,287,480.96 × 578,432.12 - Step 4: Simplify right side
1,525,578.08x = 1,323,152,461,152.44 - Step 5: Solve for x
x = 1,323,152,461,152.44/1,525,578.08 - Step 6: Final answer
x = 867,312.19
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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.