Finding the Fourth Proportional to 1,903,963.12, 2,852,056.68 and 1,062,962.80
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Solution
The fourth proportional to 1,903,963.12, 2,852,056.68 and 1,062,962.80 is: 1,592,273.57
Step by Step Solution
- Step 1: Write the proportion equation
1,903,963.12 : 2,852,056.68 = 1,062,962.80 : x - Step 2: Convert to fraction form
1,903,963.12/2,852,056.68 = 1,062,962.80/x - Step 3: Cross multiply
1,903,963.12x = 2,852,056.68 × 1,062,962.80 - Step 4: Simplify right side
1,903,963.12x = 3,031,630,154,331.50 - Step 5: Solve for x
x = 3,031,630,154,331.50/1,903,963.12 - Step 6: Final answer
x = 1,592,273.57
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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.