Finding the Fourth Proportional to 2,238,553.97, 3,089,703.08 and 1,422,598.55
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Solution
The fourth proportional to 2,238,553.97, 3,089,703.08 and 1,422,598.55 is: 1,963,502.86
Step by Step Solution
- Step 1: Write the proportion equation
2,238,553.97 : 3,089,703.08 = 1,422,598.55 : x - Step 2: Convert to fraction form
2,238,553.97/3,089,703.08 = 1,422,598.55/x - Step 3: Cross multiply
2,238,553.97x = 3,089,703.08 × 1,422,598.55 - Step 4: Simplify right side
2,238,553.97x = 4,395,407,109,646.51 - Step 5: Solve for x
x = 4,395,407,109,646.51/2,238,553.97 - Step 6: Final answer
x = 1,963,502.86
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1.5x scale
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.