Finding the Fourth Proportional to 2,746,859.12, 4,122,116.88 and 1,128,954.80
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Solution
The fourth proportional to 2,746,859.12, 4,122,116.88 and 1,128,954.80 is: 1,694,183.59
Step by Step Solution
- Step 1: Write the proportion equation
2,746,859.12 : 4,122,116.88 = 1,128,954.80 : x - Step 2: Convert to fraction form
2,746,859.12/4,122,116.88 = 1,128,954.80/x - Step 3: Cross multiply
2,746,859.12x = 4,122,116.88 × 1,128,954.80 - Step 4: Simplify right side
2,746,859.12x = 4,653,683,637,837.02 - Step 5: Solve for x
x = 4,653,683,637,837.02/2,746,859.12 - Step 6: Final answer
x = 1,694,183.59
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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.