Finding the Fourth Proportional to 2,470,869.90, 3,703,352.40 and 1,272,175.20
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Solution
The fourth proportional to 2,470,869.90, 3,703,352.40 and 1,272,175.20 is: 1,906,742.67
Step by Step Solution
- Step 1: Write the proportion equation
2,470,869.90 : 3,703,352.40 = 1,272,175.20 : x - Step 2: Convert to fraction form
2,470,869.90/3,703,352.40 = 1,272,175.20/x - Step 3: Cross multiply
2,470,869.90x = 3,703,352.40 × 1,272,175.20 - Step 4: Simplify right side
2,470,869.90x = 4,711,313,080,140.48 - Step 5: Solve for x
x = 4,711,313,080,140.48/2,470,869.90 - Step 6: Final answer
x = 1,906,742.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.