Finding the Fourth Proportional to 1,664,909.50, 2,297,575.12 and 900,963.08
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Solution
The fourth proportional to 1,664,909.50, 2,297,575.12 and 900,963.08 is: 1,243,329.06
Step by Step Solution
- Step 1: Write the proportion equation
1,664,909.50 : 2,297,575.12 = 900,963.08 : x - Step 2: Convert to fraction form
1,664,909.50/2,297,575.12 = 900,963.08/x - Step 3: Cross multiply
1,664,909.50x = 2,297,575.12 × 900,963.08 - Step 4: Simplify right side
1,664,909.50x = 2,070,030,356,646.57 - Step 5: Solve for x
x = 2,070,030,356,646.57/1,664,909.50 - Step 6: Final answer
x = 1,243,329.06
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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.