Finding the Fourth Proportional to 1,520,136.74, 2,098,548.18 and 875,432.39
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Solution
The fourth proportional to 1,520,136.74, 2,098,548.18 and 875,432.39 is: 1,208,534.07
Step by Step Solution
- Step 1: Write the proportion equation
1,520,136.74 : 2,098,548.18 = 875,432.39 : x - Step 2: Convert to fraction form
1,520,136.74/2,098,548.18 = 875,432.39/x - Step 3: Cross multiply
1,520,136.74x = 2,098,548.18 × 875,432.39 - Step 4: Simplify right side
1,520,136.74x = 1,837,137,038,254.81 - Step 5: Solve for x
x = 1,837,137,038,254.81/1,520,136.74 - Step 6: Final answer
x = 1,208,534.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.