Finding the Fourth Proportional to 2,009,505.16, 3,014,135.70 and 712,721.80
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Solution
The fourth proportional to 2,009,505.16, 3,014,135.70 and 712,721.80 is: 1,069,039.42
Step by Step Solution
- Step 1: Write the proportion equation
2,009,505.16 : 3,014,135.70 = 712,721.80 : x - Step 2: Convert to fraction form
2,009,505.16/3,014,135.70 = 712,721.80/x - Step 3: Cross multiply
2,009,505.16x = 3,014,135.70 × 712,721.80 - Step 4: Simplify right side
2,009,505.16x = 2,148,240,221,548.26 - Step 5: Solve for x
x = 2,148,240,221,548.26/2,009,505.16 - Step 6: Final answer
x = 1,069,039.42
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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.