Finding the Fourth Proportional to 1,540,262.73, 2,124,911.70 and 1,031,129.13
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Solution
The fourth proportional to 1,540,262.73, 2,124,911.70 and 1,031,129.13 is: 1,422,522.48
Step by Step Solution
- Step 1: Write the proportion equation
1,540,262.73 : 2,124,911.70 = 1,031,129.13 : x - Step 2: Convert to fraction form
1,540,262.73/2,124,911.70 = 1,031,129.13/x - Step 3: Cross multiply
1,540,262.73x = 2,124,911.70 × 1,031,129.13 - Step 4: Simplify right side
1,540,262.73x = 2,191,058,352,547.82 - Step 5: Solve for x
x = 2,191,058,352,547.82/1,540,262.73 - Step 6: Final answer
x = 1,422,522.48
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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.