Finding the Fourth Proportional to 3,528,395.46, 5,294,342.07 and 1,398,432.42
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Solution
The fourth proportional to 3,528,395.46, 5,294,342.07 and 1,398,432.42 is: 2,098,341.78
Step by Step Solution
- Step 1: Write the proportion equation
3,528,395.46 : 5,294,342.07 = 1,398,432.42 : x - Step 2: Convert to fraction form
3,528,395.46/5,294,342.07 = 1,398,432.42/x - Step 3: Cross multiply
3,528,395.46x = 5,294,342.07 × 1,398,432.42 - Step 4: Simplify right side
3,528,395.46x = 7,403,779,593,257.91 - Step 5: Solve for x
x = 7,403,779,593,257.91/3,528,395.46 - Step 6: Final answer
x = 2,098,341.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.