Finding the Fourth Proportional to 1,371,989.64, 2,058,215.92 and 473,190.96
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Solution
The fourth proportional to 1,371,989.64, 2,058,215.92 and 473,190.96 is: 709,866.27
Step by Step Solution
- Step 1: Write the proportion equation
1,371,989.64 : 2,058,215.92 = 473,190.96 : x - Step 2: Convert to fraction form
1,371,989.64/2,058,215.92 = 473,190.96/x - Step 3: Cross multiply
1,371,989.64x = 2,058,215.92 × 473,190.96 - Step 4: Simplify right side
1,371,989.64x = 973,929,167,072.08 - Step 5: Solve for x
x = 973,929,167,072.08/1,371,989.64 - Step 6: Final answer
x = 709,866.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.