Finding the Fourth Proportional to 2,195,781.24, 3,030,177.67 and 1,228,911.48
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Solution
The fourth proportional to 2,195,781.24, 3,030,177.67 and 1,228,911.48 is: 1,695,897.59
Step by Step Solution
- Step 1: Write the proportion equation
2,195,781.24 : 3,030,177.67 = 1,228,911.48 : x - Step 2: Convert to fraction form
2,195,781.24/3,030,177.67 = 1,228,911.48/x - Step 3: Cross multiply
2,195,781.24x = 3,030,177.67 × 1,228,911.48 - Step 4: Simplify right side
2,195,781.24x = 3,723,820,122,030.37 - Step 5: Solve for x
x = 3,723,820,122,030.37/2,195,781.24 - Step 6: Final answer
x = 1,695,897.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.