Finding the Fourth Proportional to 1,630,962.84, 2,250,792.04 and 905,865.68
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Solution
The fourth proportional to 1,630,962.84, 2,250,792.04 and 905,865.68 is: 1,250,129.81
Step by Step Solution
- Step 1: Write the proportion equation
1,630,962.84 : 2,250,792.04 = 905,865.68 : x - Step 2: Convert to fraction form
1,630,962.84/2,250,792.04 = 905,865.68/x - Step 3: Cross multiply
1,630,962.84x = 2,250,792.04 × 905,865.68 - Step 4: Simplify right side
1,630,962.84x = 2,038,915,261,853.19 - Step 5: Solve for x
x = 2,038,915,261,853.19/1,630,962.84 - Step 6: Final answer
x = 1,250,129.81
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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.