Finding the Fourth Proportional to 1,830,943.78, 2,746,565.44 and 919,657.68
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Solution
The fourth proportional to 1,830,943.78, 2,746,565.44 and 919,657.68 is: 1,379,561.74
Step by Step Solution
- Step 1: Write the proportion equation
1,830,943.78 : 2,746,565.44 = 919,657.68 : x - Step 2: Convert to fraction form
1,830,943.78/2,746,565.44 = 919,657.68/x - Step 3: Cross multiply
1,830,943.78x = 2,746,565.44 × 919,657.68 - Step 4: Simplify right side
1,830,943.78x = 2,525,899,987,919.81 - Step 5: Solve for x
x = 2,525,899,987,919.81/1,830,943.78 - Step 6: Final answer
x = 1,379,561.74
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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.