Finding the Fourth Proportional to 1,558,477.20, 2,337,788.70 and 493,602.60
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Solution
The fourth proportional to 1,558,477.20, 2,337,788.70 and 493,602.60 is: 740,426.99
Step by Step Solution
- Step 1: Write the proportion equation
1,558,477.20 : 2,337,788.70 = 493,602.60 : x - Step 2: Convert to fraction form
1,558,477.20/2,337,788.70 = 493,602.60/x - Step 3: Cross multiply
1,558,477.20x = 2,337,788.70 × 493,602.60 - Step 4: Simplify right side
1,558,477.20x = 1,153,938,580,570.62 - Step 5: Solve for x
x = 1,153,938,580,570.62/1,558,477.20 - Step 6: Final answer
x = 740,426.99
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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.