Finding the Fourth Proportional to 1,917,619.57, 2,875,681.79 and 718,887.81
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Solution
The fourth proportional to 1,917,619.57, 2,875,681.79 and 718,887.81 is: 1,078,051.46
Step by Step Solution
- Step 1: Write the proportion equation
1,917,619.57 : 2,875,681.79 = 718,887.81 : x - Step 2: Convert to fraction form
1,917,619.57/2,875,681.79 = 718,887.81/x - Step 3: Cross multiply
1,917,619.57x = 2,875,681.79 × 718,887.81 - Step 4: Simplify right side
1,917,619.57x = 2,067,292,584,269.98 - Step 5: Solve for x
x = 2,067,292,584,269.98/1,917,619.57 - Step 6: Final answer
x = 1,078,051.46
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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.