Finding the Fourth Proportional to 1,425,792.18, 2,130,860.46 and 1,042,348.26
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Solution
The fourth proportional to 1,425,792.18, 2,130,860.46 and 1,042,348.26 is: 1,557,799.74
Step by Step Solution
- Step 1: Write the proportion equation
1,425,792.18 : 2,130,860.46 = 1,042,348.26 : x - Step 2: Convert to fraction form
1,425,792.18/2,130,860.46 = 1,042,348.26/x - Step 3: Cross multiply
1,425,792.18x = 2,130,860.46 × 1,042,348.26 - Step 4: Simplify right side
1,425,792.18x = 2,221,098,682,129.50 - Step 5: Solve for x
x = 2,221,098,682,129.50/1,425,792.18 - Step 6: Final answer
x = 1,557,799.74
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.