Finding the Fourth Proportional to 1,767,129.82, 2,438,495.30 and 992,718.52
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Solution
The fourth proportional to 1,767,129.82, 2,438,495.30 and 992,718.52 is: 1,369,870.75
Step by Step Solution
- Step 1: Write the proportion equation
1,767,129.82 : 2,438,495.30 = 992,718.52 : x - Step 2: Convert to fraction form
1,767,129.82/2,438,495.30 = 992,718.52/x - Step 3: Cross multiply
1,767,129.82x = 2,438,495.30 × 992,718.52 - Step 4: Simplify right side
1,767,129.82x = 2,420,739,445,242.96 - Step 5: Solve for x
x = 2,420,739,445,242.96/1,767,129.82 - Step 6: Final answer
x = 1,369,870.75
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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.