Finding the Fourth Proportional to 1,917,619.68, 2,875,681.88 and 718,888.54
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Solution
The fourth proportional to 1,917,619.68, 2,875,681.88 and 718,888.54 is: 1,078,052.53
Step by Step Solution
- Step 1: Write the proportion equation
1,917,619.68 : 2,875,681.88 = 718,888.54 : x - Step 2: Convert to fraction form
1,917,619.68/2,875,681.88 = 718,888.54/x - Step 3: Cross multiply
1,917,619.68x = 2,875,681.88 × 718,888.54 - Step 4: Simplify right side
1,917,619.68x = 2,067,294,748,217.66 - Step 5: Solve for x
x = 2,067,294,748,217.66/1,917,619.68 - Step 6: Final answer
x = 1,078,052.53
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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.