Finding the Fourth Proportional to 1,545,485.80, 2,317,646.37 and 646,989.65
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Solution
The fourth proportional to 1,545,485.80, 2,317,646.37 and 646,989.65 is: 970,240.70
Step by Step Solution
- Step 1: Write the proportion equation
1,545,485.80 : 2,317,646.37 = 646,989.65 : x - Step 2: Convert to fraction form
1,545,485.80/2,317,646.37 = 646,989.65/x - Step 3: Cross multiply
1,545,485.80x = 2,317,646.37 × 646,989.65 - Step 4: Simplify right side
1,545,485.80x = 1,499,493,216,158.29 - Step 5: Solve for x
x = 1,499,493,216,158.29/1,545,485.80 - Step 6: Final answer
x = 970,240.70
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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.