Finding the Fourth Proportional to 2,875,129.93, 3,967,372.71 and 1,585,970.21
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Solution
The fourth proportional to 2,875,129.93, 3,967,372.71 and 1,585,970.21 is: 2,188,469.77
Step by Step Solution
- Step 1: Write the proportion equation
2,875,129.93 : 3,967,372.71 = 1,585,970.21 : x - Step 2: Convert to fraction form
2,875,129.93/3,967,372.71 = 1,585,970.21/x - Step 3: Cross multiply
2,875,129.93x = 3,967,372.71 × 1,585,970.21 - Step 4: Simplify right side
2,875,129.93x = 6,292,134,930,026.97 - Step 5: Solve for x
x = 6,292,134,930,026.97/2,875,129.93 - Step 6: Final answer
x = 2,188,469.77
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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.