Finding the Fourth Proportional to 5,125,878.60, 7,683,569.10 and 2,994,865.80
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Solution
The fourth proportional to 5,125,878.60, 7,683,569.10 and 2,994,865.80 is: 4,489,232.02
Step by Step Solution
- Step 1: Write the proportion equation
5,125,878.60 : 7,683,569.10 = 2,994,865.80 : x - Step 2: Convert to fraction form
5,125,878.60/7,683,569.10 = 2,994,865.80/x - Step 3: Cross multiply
5,125,878.60x = 7,683,569.10 × 2,994,865.80 - Step 4: Simplify right side
5,125,878.60x = 23,011,258,319,526.78 - Step 5: Solve for x
x = 23,011,258,319,526.78/5,125,878.60 - Step 6: Final answer
x = 4,489,232.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.