Finding the Fourth Proportional to 1,692,327.99, 2,335,444.20 and 1,038,626.40
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Solution
The fourth proportional to 1,692,327.99, 2,335,444.20 and 1,038,626.40 is: 1,433,323.81
Step by Step Solution
- Step 1: Write the proportion equation
1,692,327.99 : 2,335,444.20 = 1,038,626.40 : x - Step 2: Convert to fraction form
1,692,327.99/2,335,444.20 = 1,038,626.40/x - Step 3: Cross multiply
1,692,327.99x = 2,335,444.20 × 1,038,626.40 - Step 4: Simplify right side
1,692,327.99x = 2,425,654,001,846.88 - Step 5: Solve for x
x = 2,425,654,001,846.88/1,692,327.99 - Step 6: Final answer
x = 1,433,323.81
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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.