Finding the Fourth Proportional to 2,118,675.03, 3,177,564.21 and 698,393.49
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Solution
The fourth proportional to 2,118,675.03, 3,177,564.21 and 698,393.49 is: 1,047,442.45
Step by Step Solution
- Step 1: Write the proportion equation
2,118,675.03 : 3,177,564.21 = 698,393.49 : x - Step 2: Convert to fraction form
2,118,675.03/3,177,564.21 = 698,393.49/x - Step 3: Cross multiply
2,118,675.03x = 3,177,564.21 × 698,393.49 - Step 4: Simplify right side
2,118,675.03x = 2,219,190,158,320.99 - Step 5: Solve for x
x = 2,219,190,158,320.99/2,118,675.03 - Step 6: Final answer
x = 1,047,442.45
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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.