Finding the Fourth Proportional to 1,420,114.10, 2,130,181.95 and 473,483.30
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Solution
The fourth proportional to 1,420,114.10, 2,130,181.95 and 473,483.30 is: 710,228.55
Step by Step Solution
- Step 1: Write the proportion equation
1,420,114.10 : 2,130,181.95 = 473,483.30 : x - Step 2: Convert to fraction form
1,420,114.10/2,130,181.95 = 473,483.30/x - Step 3: Cross multiply
1,420,114.10x = 2,130,181.95 × 473,483.30 - Step 4: Simplify right side
1,420,114.10x = 1,008,605,579,286.44 - Step 5: Solve for x
x = 1,008,605,579,286.44/1,420,114.10 - Step 6: Final answer
x = 710,228.55
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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.