Finding the Fourth Proportional to 1,664,909.23, 2,297,574.74 and 900,962.79
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Solution
The fourth proportional to 1,664,909.23, 2,297,574.74 and 900,962.79 is: 1,243,328.65
Step by Step Solution
- Step 1: Write the proportion equation
1,664,909.23 : 2,297,574.74 = 900,962.79 : x - Step 2: Convert to fraction form
1,664,909.23/2,297,574.74 = 900,962.79/x - Step 3: Cross multiply
1,664,909.23x = 2,297,574.74 × 900,962.79 - Step 4: Simplify right side
1,664,909.23x = 2,070,029,343,014.44 - Step 5: Solve for x
x = 2,070,029,343,014.44/1,664,909.23 - Step 6: Final answer
x = 1,243,328.65
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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.