Finding the Fourth Proportional to 1,540,267.86, 2,124,918.74 and 1,031,134.26
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Solution
The fourth proportional to 1,540,267.86, 2,124,918.74 and 1,031,134.26 is: 1,422,529.53
Step by Step Solution
- Step 1: Write the proportion equation
1,540,267.86 : 2,124,918.74 = 1,031,134.26 : x - Step 2: Convert to fraction form
1,540,267.86/2,124,918.74 = 1,031,134.26/x - Step 3: Cross multiply
1,540,267.86x = 2,124,918.74 × 1,031,134.26 - Step 4: Simplify right side
1,540,267.86x = 2,191,076,512,530.03 - Step 5: Solve for x
x = 2,191,076,512,530.03/1,540,267.86 - Step 6: Final answer
x = 1,422,529.53
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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.