Finding the Fourth Proportional to 1,692,721.08, 2,539,519.02 and 628,066.80
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Solution
The fourth proportional to 1,692,721.08, 2,539,519.02 and 628,066.80 is: 942,262.49
Step by Step Solution
- Step 1: Write the proportion equation
1,692,721.08 : 2,539,519.02 = 628,066.80 : x - Step 2: Convert to fraction form
1,692,721.08/2,539,519.02 = 628,066.80/x - Step 3: Cross multiply
1,692,721.08x = 2,539,519.02 × 628,066.80 - Step 4: Simplify right side
1,692,721.08x = 1,594,987,584,430.54 - Step 5: Solve for x
x = 1,594,987,584,430.54/1,692,721.08 - Step 6: Final answer
x = 942,262.49
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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.