Finding the Fourth Proportional to 1,420,132.02, 2,130,216.84 and 473,503.02
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Solution
The fourth proportional to 1,420,132.02, 2,130,216.84 and 473,503.02 is: 710,260.80
Step by Step Solution
- Step 1: Write the proportion equation
1,420,132.02 : 2,130,216.84 = 473,503.02 : x - Step 2: Convert to fraction form
1,420,132.02/2,130,216.84 = 473,503.02/x - Step 3: Cross multiply
1,420,132.02x = 2,130,216.84 × 473,503.02 - Step 4: Simplify right side
1,420,132.02x = 1,008,664,106,994.86 - Step 5: Solve for x
x = 1,008,664,106,994.86/1,420,132.02 - Step 6: Final answer
x = 710,260.80
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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.