Finding the Fourth Proportional to 1,281,646.87, 1,921,338.93 and 483,488.92
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Solution
The fourth proportional to 1,281,646.87, 1,921,338.93 and 483,488.92 is: 724,806.58
Step by Step Solution
- Step 1: Write the proportion equation
1,281,646.87 : 1,921,338.93 = 483,488.92 : x - Step 2: Convert to fraction form
1,281,646.87/1,921,338.93 = 483,488.92/x - Step 3: Cross multiply
1,281,646.87x = 1,921,338.93 × 483,488.92 - Step 4: Simplify right side
1,281,646.87x = 928,946,079,416.31 - Step 5: Solve for x
x = 928,946,079,416.31/1,281,646.87 - Step 6: Final answer
x = 724,806.58
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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.