Finding the Fourth Proportional to 5,417,254.21, 7,475,648.79 and 2,969,781.61
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Solution
The fourth proportional to 5,417,254.21, 7,475,648.79 and 2,969,781.61 is: 4,098,209.80
Step by Step Solution
- Step 1: Write the proportion equation
5,417,254.21 : 7,475,648.79 = 2,969,781.61 : x - Step 2: Convert to fraction form
5,417,254.21/7,475,648.79 = 2,969,781.61/x - Step 3: Cross multiply
5,417,254.21x = 7,475,648.79 × 2,969,781.61 - Step 4: Simplify right side
5,417,254.21x = 22,201,044,299,360.75 - Step 5: Solve for x
x = 22,201,044,299,360.75/5,417,254.21 - Step 6: Final answer
x = 4,098,209.80
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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.