Finding the Fourth Proportional to 2,312,873.48, 3,193,212.93 and 1,486,282.25
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Solution
The fourth proportional to 2,312,873.48, 3,193,212.93 and 1,486,282.25 is: 2,051,999.71
Step by Step Solution
- Step 1: Write the proportion equation
2,312,873.48 : 3,193,212.93 = 1,486,282.25 : x - Step 2: Convert to fraction form
2,312,873.48/3,193,212.93 = 1,486,282.25/x - Step 3: Cross multiply
2,312,873.48x = 3,193,212.93 × 1,486,282.25 - Step 4: Simplify right side
2,312,873.48x = 4,746,015,706,312.52 - Step 5: Solve for x
x = 4,746,015,706,312.52/2,312,873.48 - Step 6: Final answer
x = 2,051,999.71
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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.