Finding the Fourth Proportional to 7,679,545.99, 11,519,980.49 and 1,999,780.63
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Solution
The fourth proportional to 7,679,545.99, 11,519,980.49 and 1,999,780.63 is: 2,999,843.20
Step by Step Solution
- Step 1: Write the proportion equation
7,679,545.99 : 11,519,980.49 = 1,999,780.63 : x - Step 2: Convert to fraction form
7,679,545.99/11,519,980.49 = 1,999,780.63/x - Step 3: Cross multiply
7,679,545.99x = 11,519,980.49 × 1,999,780.63 - Step 4: Simplify right side
7,679,545.99x = 23,037,433,831,881.00 - Step 5: Solve for x
x = 23,037,433,831,881.00/7,679,545.99 - Step 6: Final answer
x = 2,999,843.20
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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.