Finding the Fourth Proportional to 1,329,352.02, 1,993,830.93 and 430,873.02
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Solution
The fourth proportional to 1,329,352.02, 1,993,830.93 and 430,873.02 is: 646,245.65
Step by Step Solution
- Step 1: Write the proportion equation
1,329,352.02 : 1,993,830.93 = 430,873.02 : x - Step 2: Convert to fraction form
1,329,352.02/1,993,830.93 = 430,873.02/x - Step 3: Cross multiply
1,329,352.02x = 1,993,830.93 × 430,873.02 - Step 4: Simplify right side
1,329,352.02x = 859,087,954,178.51 - Step 5: Solve for x
x = 859,087,954,178.51/1,329,352.02 - Step 6: Final answer
x = 646,245.65
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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.