Finding the Fourth Proportional to 2,798,349.80, 4,190,526.30 and 2,238,477.80
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Solution
The fourth proportional to 2,798,349.80, 4,190,526.30 and 2,238,477.80 is: 3,352,118.49
Step by Step Solution
- Step 1: Write the proportion equation
2,798,349.80 : 4,190,526.30 = 2,238,477.80 : x - Step 2: Convert to fraction form
2,798,349.80/4,190,526.30 = 2,238,477.80/x - Step 3: Cross multiply
2,798,349.80x = 4,190,526.30 × 2,238,477.80 - Step 4: Simplify right side
2,798,349.80x = 9,380,400,092,866.14 - Step 5: Solve for x
x = 9,380,400,092,866.14/2,798,349.80 - Step 6: Final answer
x = 3,352,118.49
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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.