Finding the Fourth Proportional to 1,771,490.40, 2,650,237.20 and 1,537,432.80
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Solution
The fourth proportional to 1,771,490.40, 2,650,237.20 and 1,537,432.80 is: 2,300,075.46
Step by Step Solution
- Step 1: Write the proportion equation
1,771,490.40 : 2,650,237.20 = 1,537,432.80 : x - Step 2: Convert to fraction form
1,771,490.40/2,650,237.20 = 1,537,432.80/x - Step 3: Cross multiply
1,771,490.40x = 2,650,237.20 × 1,537,432.80 - Step 4: Simplify right side
1,771,490.40x = 4,074,561,599,060.16 - Step 5: Solve for x
x = 4,074,561,599,060.16/1,771,490.40 - Step 6: Final answer
x = 2,300,075.46
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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.