Finding the Fourth Proportional to 2,135,802.75, 2,946,674.93 and 1,217,369.40
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Solution
The fourth proportional to 2,135,802.75, 2,946,674.93 and 1,217,369.40 is: 1,679,552.05
Step by Step Solution
- Step 1: Write the proportion equation
2,135,802.75 : 2,946,674.93 = 1,217,369.40 : x - Step 2: Convert to fraction form
2,135,802.75/2,946,674.93 = 1,217,369.40/x - Step 3: Cross multiply
2,135,802.75x = 2,946,674.93 × 1,217,369.40 - Step 4: Simplify right side
2,135,802.75x = 3,587,191,885,442.29 - Step 5: Solve for x
x = 3,587,191,885,442.29/2,135,802.75 - Step 6: Final answer
x = 1,679,552.05
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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.