Finding the Fourth Proportional to 1,664,981.42, 2,297,681.57 and 901,035.05
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Solution
The fourth proportional to 1,664,981.42, 2,297,681.57 and 901,035.05 is: 1,243,432.27
Step by Step Solution
- Step 1: Write the proportion equation
1,664,981.42 : 2,297,681.57 = 901,035.05 : x - Step 2: Convert to fraction form
1,664,981.42/2,297,681.57 = 901,035.05/x - Step 3: Cross multiply
1,664,981.42x = 2,297,681.57 × 901,035.05 - Step 4: Simplify right side
1,664,981.42x = 2,070,291,619,073.21 - Step 5: Solve for x
x = 2,070,291,619,073.21/1,664,981.42 - Step 6: Final answer
x = 1,243,432.27
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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.