Finding the Fourth Proportional to 1,593,781.23, 2,387,300.90 and 1,288,866.99
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Solution
The fourth proportional to 1,593,781.23, 2,387,300.90 and 1,288,866.99 is: 1,930,574.45
Step by Step Solution
- Step 1: Write the proportion equation
1,593,781.23 : 2,387,300.90 = 1,288,866.99 : x - Step 2: Convert to fraction form
1,593,781.23/2,387,300.90 = 1,288,866.99/x - Step 3: Cross multiply
1,593,781.23x = 2,387,300.90 × 1,288,866.99 - Step 4: Simplify right side
1,593,781.23x = 3,076,913,318,762.96 - Step 5: Solve for x
x = 3,076,913,318,762.96/1,593,781.23 - Step 6: Final answer
x = 1,930,574.45
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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.