Finding the Fourth Proportional to 2,357,233.80, 3,536,109.90 and 861,649.80
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Solution
The fourth proportional to 2,357,233.80, 3,536,109.90 and 861,649.80 is: 1,292,569.45
Step by Step Solution
- Step 1: Write the proportion equation
2,357,233.80 : 3,536,109.90 = 861,649.80 : x - Step 2: Convert to fraction form
2,357,233.80/3,536,109.90 = 861,649.80/x - Step 3: Cross multiply
2,357,233.80x = 3,536,109.90 × 861,649.80 - Step 4: Simplify right side
2,357,233.80x = 3,046,888,388,113.02 - Step 5: Solve for x
x = 3,046,888,388,113.02/2,357,233.80 - Step 6: Final answer
x = 1,292,569.45
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1.5x scale
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.