Finding the Fourth Proportional to 1,551,026.60, 2,326,612.80 and 486,103.40
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Solution
The fourth proportional to 1,551,026.60, 2,326,612.80 and 486,103.40 is: 729,177.95
Step by Step Solution
- Step 1: Write the proportion equation
1,551,026.60 : 2,326,612.80 = 486,103.40 : x - Step 2: Convert to fraction form
1,551,026.60/2,326,612.80 = 486,103.40/x - Step 3: Cross multiply
1,551,026.60x = 2,326,612.80 × 486,103.40 - Step 4: Simplify right side
1,551,026.60x = 1,130,974,392,563.52 - Step 5: Solve for x
x = 1,130,974,392,563.52/1,551,026.60 - Step 6: Final answer
x = 729,177.95
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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.