Finding the Fourth Proportional to 1,862,602.80, 2,793,904.20 and 1,685,455.80
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Solution
The fourth proportional to 1,862,602.80, 2,793,904.20 and 1,685,455.80 is: 2,528,183.70
Step by Step Solution
- Step 1: Write the proportion equation
1,862,602.80 : 2,793,904.20 = 1,685,455.80 : x - Step 2: Convert to fraction form
1,862,602.80/2,793,904.20 = 1,685,455.80/x - Step 3: Cross multiply
1,862,602.80x = 2,793,904.20 × 1,685,455.80 - Step 4: Simplify right side
1,862,602.80x = 4,709,002,038,534.36 - Step 5: Solve for x
x = 4,709,002,038,534.36/1,862,602.80 - Step 6: Final answer
x = 2,528,183.70
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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.