Finding the Fourth Proportional to 1,688,984.06, 2,532,878.58 and 490,657.10
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Solution
The fourth proportional to 1,688,984.06, 2,532,878.58 and 490,657.10 is: 735,812.07
Step by Step Solution
- Step 1: Write the proportion equation
1,688,984.06 : 2,532,878.58 = 490,657.10 : x - Step 2: Convert to fraction form
1,688,984.06/2,532,878.58 = 490,657.10/x - Step 3: Cross multiply
1,688,984.06x = 2,532,878.58 × 490,657.10 - Step 4: Simplify right side
1,688,984.06x = 1,242,774,858,714.92 - Step 5: Solve for x
x = 1,242,774,858,714.92/1,688,984.06 - Step 6: Final answer
x = 735,812.07
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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.