Finding the Fourth Proportional to 2,135,302.77, 2,946,588.16 and 1,217,403.57
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Solution
The fourth proportional to 2,135,302.77, 2,946,588.16 and 1,217,403.57 is: 1,679,943.00
Step by Step Solution
- Step 1: Write the proportion equation
2,135,302.77 : 2,946,588.16 = 1,217,403.57 : x - Step 2: Convert to fraction form
2,135,302.77/2,946,588.16 = 1,217,403.57/x - Step 3: Cross multiply
2,135,302.77x = 2,946,588.16 × 1,217,403.57 - Step 4: Simplify right side
2,135,302.77x = 3,587,186,945,303.73 - Step 5: Solve for x
x = 3,587,186,945,303.73/2,135,302.77 - Step 6: Final answer
x = 1,679,943.00
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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.