Finding the Fourth Proportional to 1,917,530.20, 2,875,547.67 and 718,798.38
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Solution
The fourth proportional to 1,917,530.20, 2,875,547.67 and 718,798.38 is: 1,077,917.32
Step by Step Solution
- Step 1: Write the proportion equation
1,917,530.20 : 2,875,547.67 = 718,798.38 : x - Step 2: Convert to fraction form
1,917,530.20/2,875,547.67 = 718,798.38/x - Step 3: Cross multiply
1,917,530.20x = 2,875,547.67 × 718,798.38 - Step 4: Simplify right side
1,917,530.20x = 2,066,939,006,808.77 - Step 5: Solve for x
x = 2,066,939,006,808.77/1,917,530.20 - Step 6: Final answer
x = 1,077,917.32
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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.