Finding the Fourth Proportional to 1,420,102.13, 2,130,172.05 and 473,473.16
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Solution
The fourth proportional to 1,420,102.13, 2,130,172.05 and 473,473.16 is: 710,216.03
Step by Step Solution
- Step 1: Write the proportion equation
1,420,102.13 : 2,130,172.05 = 473,473.16 : x - Step 2: Convert to fraction form
1,420,102.13/2,130,172.05 = 473,473.16/x - Step 3: Cross multiply
1,420,102.13x = 2,130,172.05 × 473,473.16 - Step 4: Simplify right side
1,420,102.13x = 1,008,579,291,857.18 - Step 5: Solve for x
x = 1,008,579,291,857.18/1,420,102.13 - Step 6: Final answer
x = 710,216.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.