Finding the Fourth Proportional to 1,958,829.84, 2,703,457.80 and 1,087,860.24
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Solution
The fourth proportional to 1,958,829.84, 2,703,457.80 and 1,087,860.24 is: 1,501,398.53
Step by Step Solution
- Step 1: Write the proportion equation
1,958,829.84 : 2,703,457.80 = 1,087,860.24 : x - Step 2: Convert to fraction form
1,958,829.84/2,703,457.80 = 1,087,860.24/x - Step 3: Cross multiply
1,958,829.84x = 2,703,457.80 × 1,087,860.24 - Step 4: Simplify right side
1,958,829.84x = 2,940,984,251,137.87 - Step 5: Solve for x
x = 2,940,984,251,137.87/1,958,829.84 - Step 6: Final answer
x = 1,501,398.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.