Finding the Fourth Proportional to 2,897,480.80, 4,349,331.60 and 1,637,768.80
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Solution
The fourth proportional to 2,897,480.80, 4,349,331.60 and 1,637,768.80 is: 2,458,411.32
Step by Step Solution
- Step 1: Write the proportion equation
2,897,480.80 : 4,349,331.60 = 1,637,768.80 : x - Step 2: Convert to fraction form
2,897,480.80/4,349,331.60 = 1,637,768.80/x - Step 3: Cross multiply
2,897,480.80x = 4,349,331.60 × 1,637,768.80 - Step 4: Simplify right side
2,897,480.80x = 7,123,199,595,334.08 - Step 5: Solve for x
x = 7,123,199,595,334.08/2,897,480.80 - Step 6: Final answer
x = 2,458,411.32
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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.