Finding the Fourth Proportional to 1,637,310.60, 2,457,132.30 and 691,360.20
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Solution
The fourth proportional to 1,637,310.60, 2,457,132.30 and 691,360.20 is: 1,037,532.82
Step by Step Solution
- Step 1: Write the proportion equation
1,637,310.60 : 2,457,132.30 = 691,360.20 : x - Step 2: Convert to fraction form
1,637,310.60/2,457,132.30 = 691,360.20/x - Step 3: Cross multiply
1,637,310.60x = 2,457,132.30 × 691,360.20 - Step 4: Simplify right side
1,637,310.60x = 1,698,763,478,354.46 - Step 5: Solve for x
x = 1,698,763,478,354.46/1,637,310.60 - Step 6: Final answer
x = 1,037,532.82
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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.