Finding the Fourth Proportional to 2,866,291.70, 4,298,903.42 and 921,053.99
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Solution
The fourth proportional to 2,866,291.70, 4,298,903.42 and 921,053.99 is: 1,381,409.35
Step by Step Solution
- Step 1: Write the proportion equation
2,866,291.70 : 4,298,903.42 = 921,053.99 : x - Step 2: Convert to fraction form
2,866,291.70/4,298,903.42 = 921,053.99/x - Step 3: Cross multiply
2,866,291.70x = 4,298,903.42 × 921,053.99 - Step 4: Simplify right side
2,866,291.70x = 3,959,522,153,757.64 - Step 5: Solve for x
x = 3,959,522,153,757.64/2,866,291.70 - Step 6: Final answer
x = 1,381,409.35
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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.