Finding the Fourth Proportional to 1,395,246.65, 1,924,117.67 and 912,225.83
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Solution
The fourth proportional to 1,395,246.65, 1,924,117.67 and 912,225.83 is: 1,258,006.85
Step by Step Solution
- Step 1: Write the proportion equation
1,395,246.65 : 1,924,117.67 = 912,225.83 : x - Step 2: Convert to fraction form
1,395,246.65/1,924,117.67 = 912,225.83/x - Step 3: Cross multiply
1,395,246.65x = 1,924,117.67 × 912,225.83 - Step 4: Simplify right side
1,395,246.65x = 1,755,229,831,193.39 - Step 5: Solve for x
x = 1,755,229,831,193.39/1,395,246.65 - Step 6: Final answer
x = 1,258,006.85
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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.