Finding the Fourth Proportional to 1,778,620.48, 2,669,369.28 and 1,378,312
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Solution
The fourth proportional to 1,778,620.48, 2,669,369.28 and 1,378,312 is: 2,068,582.79
Step by Step Solution
- Step 1: Write the proportion equation
1,778,620.48 : 2,669,369.28 = 1,378,312 : x - Step 2: Convert to fraction form
1,778,620.48/2,669,369.28 = 1,378,312/x - Step 3: Cross multiply
1,778,620.48x = 2,669,369.28 × 1,378,312 - Step 4: Simplify right side
1,778,620.48x = 3,679,223,711,055.36 - Step 5: Solve for x
x = 3,679,223,711,055.36/1,778,620.48 - Step 6: Final answer
x = 2,068,582.79
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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.