Finding the Fourth Proportional to 2,153,181.60, 3,228,994.80 and 1,087,869.60
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Solution
The fourth proportional to 2,153,181.60, 3,228,994.80 and 1,087,869.60 is: 1,631,411.53
Step by Step Solution
- Step 1: Write the proportion equation
2,153,181.60 : 3,228,994.80 = 1,087,869.60 : x - Step 2: Convert to fraction form
2,153,181.60/3,228,994.80 = 1,087,869.60/x - Step 3: Cross multiply
2,153,181.60x = 3,228,994.80 × 1,087,869.60 - Step 4: Simplify right side
2,153,181.60x = 3,512,725,281,478.08 - Step 5: Solve for x
x = 3,512,725,281,478.08/2,153,181.60 - Step 6: Final answer
x = 1,631,411.53
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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.