Finding the Fourth Proportional to 2,810,769.29, 3,878,862.93 and 1,521,609.68
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Solution
The fourth proportional to 2,810,769.29, 3,878,862.93 and 1,521,609.68 is: 2,099,822.07
Step by Step Solution
- Step 1: Write the proportion equation
2,810,769.29 : 3,878,862.93 = 1,521,609.68 : x - Step 2: Convert to fraction form
2,810,769.29/3,878,862.93 = 1,521,609.68/x - Step 3: Cross multiply
2,810,769.29x = 3,878,862.93 × 1,521,609.68 - Step 4: Simplify right side
2,810,769.29x = 5,902,115,381,681.16 - Step 5: Solve for x
x = 5,902,115,381,681.16/2,810,769.29 - Step 6: Final answer
x = 2,099,822.07
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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.