Finding the Fourth Proportional to 1,569,763.20, 2,352,225.60 and 1,168,521.60
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Solution
The fourth proportional to 1,569,763.20, 2,352,225.60 and 1,168,521.60 is: 1,750,981.56
Step by Step Solution
- Step 1: Write the proportion equation
1,569,763.20 : 2,352,225.60 = 1,168,521.60 : x - Step 2: Convert to fraction form
1,569,763.20/2,352,225.60 = 1,168,521.60/x - Step 3: Cross multiply
1,569,763.20x = 2,352,225.60 × 1,168,521.60 - Step 4: Simplify right side
1,569,763.20x = 2,748,626,421,672.96 - Step 5: Solve for x
x = 2,748,626,421,672.96/1,569,763.20 - Step 6: Final answer
x = 1,750,981.56
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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.