Finding the Fourth Proportional to 3,012,312.95, 4,518,614.69 and 990,512.09
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Solution
The fourth proportional to 3,012,312.95, 4,518,614.69 and 990,512.09 is: 1,485,815.90
Step by Step Solution
- Step 1: Write the proportion equation
3,012,312.95 : 4,518,614.69 = 990,512.09 : x - Step 2: Convert to fraction form
3,012,312.95/4,518,614.69 = 990,512.09/x - Step 3: Cross multiply
3,012,312.95x = 4,518,614.69 × 990,512.09 - Step 4: Simplify right side
3,012,312.95x = 4,475,742,473,610.19 - Step 5: Solve for x
x = 4,475,742,473,610.19/3,012,312.95 - Step 6: Final answer
x = 1,485,815.90
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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.