Finding the Fourth Proportional to 5,249,768.68, 7,875,309.66 and 2,054,482.12
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Solution
The fourth proportional to 5,249,768.68, 7,875,309.66 and 2,054,482.12 is: 3,081,980.15
Step by Step Solution
- Step 1: Write the proportion equation
5,249,768.68 : 7,875,309.66 = 2,054,482.12 : x - Step 2: Convert to fraction form
5,249,768.68/7,875,309.66 = 2,054,482.12/x - Step 3: Cross multiply
5,249,768.68x = 7,875,309.66 × 2,054,482.12 - Step 4: Simplify right side
5,249,768.68x = 16,179,682,885,933.28 - Step 5: Solve for x
x = 16,179,682,885,933.28/5,249,768.68 - Step 6: Final answer
x = 3,081,980.15
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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.