Finding the Fourth Proportional to 2,869,463.70, 3,959,708.13 and 1,645,706.34
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Solution
The fourth proportional to 2,869,463.70, 3,959,708.13 and 1,645,706.34 is: 2,270,987.70
Step by Step Solution
- Step 1: Write the proportion equation
2,869,463.70 : 3,959,708.13 = 1,645,706.34 : x - Step 2: Convert to fraction form
2,869,463.70/3,959,708.13 = 1,645,706.34/x - Step 3: Cross multiply
2,869,463.70x = 3,959,708.13 × 1,645,706.34 - Step 4: Simplify right side
2,869,463.70x = 6,516,516,774,090.54 - Step 5: Solve for x
x = 6,516,516,774,090.54/2,869,463.70 - Step 6: Final answer
x = 2,270,987.70
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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.