Finding the Fourth Proportional to 1,533,031, 2,115,114.48 and 888,326.62
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Solution
The fourth proportional to 1,533,031, 2,115,114.48 and 888,326.62 is: 1,225,619.38
Step by Step Solution
- Step 1: Write the proportion equation
1,533,031 : 2,115,114.48 = 888,326.62 : x - Step 2: Convert to fraction form
1,533,031/2,115,114.48 = 888,326.62/x - Step 3: Cross multiply
1,533,031x = 2,115,114.48 × 888,326.62 - Step 4: Simplify right side
1,533,031x = 1,878,912,496,931.46 - Step 5: Solve for x
x = 1,878,912,496,931.46/1,533,031 - Step 6: Final answer
x = 1,225,619.38
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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.