Finding the Fourth Proportional to 1,926,621.92, 2,658,738.48 and 1,067,237.84
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Solution
The fourth proportional to 1,926,621.92, 2,658,738.48 and 1,067,237.84 is: 1,472,788.35
Step by Step Solution
- Step 1: Write the proportion equation
1,926,621.92 : 2,658,738.48 = 1,067,237.84 : x - Step 2: Convert to fraction form
1,926,621.92/2,658,738.48 = 1,067,237.84/x - Step 3: Cross multiply
1,926,621.92x = 2,658,738.48 × 1,067,237.84 - Step 4: Simplify right side
1,926,621.92x = 2,837,506,312,520.08 - Step 5: Solve for x
x = 2,837,506,312,520.08/1,926,621.92 - Step 6: Final answer
x = 1,472,788.35
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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.