Finding the Fourth Proportional to 1,424,648.20, 2,136,972.30 and 1,312,673.80
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Solution
The fourth proportional to 1,424,648.20, 2,136,972.30 and 1,312,673.80 is: 1,969,010.70
Step by Step Solution
- Step 1: Write the proportion equation
1,424,648.20 : 2,136,972.30 = 1,312,673.80 : x - Step 2: Convert to fraction form
1,424,648.20/2,136,972.30 = 1,312,673.80/x - Step 3: Cross multiply
1,424,648.20x = 2,136,972.30 × 1,312,673.80 - Step 4: Simplify right side
1,424,648.20x = 2,805,147,549,535.74 - Step 5: Solve for x
x = 2,805,147,549,535.74/1,424,648.20 - Step 6: Final answer
x = 1,969,010.70
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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.