Finding the Fourth Proportional to 1,540,261.23, 2,124,909.63 and 1,031,127.63
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Solution
The fourth proportional to 1,540,261.23, 2,124,909.63 and 1,031,127.63 is: 1,422,520.41
Step by Step Solution
- Step 1: Write the proportion equation
1,540,261.23 : 2,124,909.63 = 1,031,127.63 : x - Step 2: Convert to fraction form
1,540,261.23/2,124,909.63 = 1,031,127.63/x - Step 3: Cross multiply
1,540,261.23x = 2,124,909.63 × 1,031,127.63 - Step 4: Simplify right side
1,540,261.23x = 2,191,053,030,746.08 - Step 5: Solve for x
x = 2,191,053,030,746.08/1,540,261.23 - Step 6: Final answer
x = 1,422,520.41
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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.