Finding the Fourth Proportional to 2,014,430.80, 3,021,646.20 and 1,557,785.20
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Solution
The fourth proportional to 2,014,430.80, 3,021,646.20 and 1,557,785.20 is: 2,336,677.80
Step by Step Solution
- Step 1: Write the proportion equation
2,014,430.80 : 3,021,646.20 = 1,557,785.20 : x - Step 2: Convert to fraction form
2,014,430.80/3,021,646.20 = 1,557,785.20/x - Step 3: Cross multiply
2,014,430.80x = 3,021,646.20 × 1,557,785.20 - Step 4: Simplify right side
2,014,430.80x = 4,707,075,729,996.24 - Step 5: Solve for x
x = 4,707,075,729,996.24/2,014,430.80 - Step 6: Final answer
x = 2,336,677.80
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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.