Finding the Fourth Proportional to 1,605,501.24, 2,215,616.62 and 880,415.16
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Solution
The fourth proportional to 1,605,501.24, 2,215,616.62 and 880,415.16 is: 1,214,986.58
Step by Step Solution
- Step 1: Write the proportion equation
1,605,501.24 : 2,215,616.62 = 880,415.16 : x - Step 2: Convert to fraction form
1,605,501.24/2,215,616.62 = 880,415.16/x - Step 3: Cross multiply
1,605,501.24x = 2,215,616.62 × 880,415.16 - Step 4: Simplify right side
1,605,501.24x = 1,950,662,460,995.96 - Step 5: Solve for x
x = 1,950,662,460,995.96/1,605,501.24 - Step 6: Final answer
x = 1,214,986.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.