Finding the Fourth Proportional to 2,742,070.95, 3,784,011.66 and 1,518,350.18
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Solution
The fourth proportional to 2,742,070.95, 3,784,011.66 and 1,518,350.18 is: 2,095,297.63
Step by Step Solution
- Step 1: Write the proportion equation
2,742,070.95 : 3,784,011.66 = 1,518,350.18 : x - Step 2: Convert to fraction form
2,742,070.95/3,784,011.66 = 1,518,350.18/x - Step 3: Cross multiply
2,742,070.95x = 3,784,011.66 × 1,518,350.18 - Step 4: Simplify right side
2,742,070.95x = 5,745,454,766,163.04 - Step 5: Solve for x
x = 5,745,454,766,163.04/2,742,070.95 - Step 6: Final answer
x = 2,095,297.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.