Finding the Fourth Proportional to 1,489,167.16, 2,233,721.94 and 424,216.12
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Solution
The fourth proportional to 1,489,167.16, 2,233,721.94 and 424,216.12 is: 636,315.98
Step by Step Solution
- Step 1: Write the proportion equation
1,489,167.16 : 2,233,721.94 = 424,216.12 : x - Step 2: Convert to fraction form
1,489,167.16/2,233,721.94 = 424,216.12/x - Step 3: Cross multiply
1,489,167.16x = 2,233,721.94 × 424,216.12 - Step 4: Simplify right side
1,489,167.16x = 947,580,854,545.67 - Step 5: Solve for x
x = 947,580,854,545.67/1,489,167.16 - Step 6: Final answer
x = 636,315.98
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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.