Finding the Fourth Proportional to 5,331,991.34, 7,993,185.93 and 1,917,878.13
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Solution
The fourth proportional to 5,331,991.34, 7,993,185.93 and 1,917,878.13 is: 2,875,090.28
Step by Step Solution
- Step 1: Write the proportion equation
5,331,991.34 : 7,993,185.93 = 1,917,878.13 : x - Step 2: Convert to fraction form
5,331,991.34/7,993,185.93 = 1,917,878.13/x - Step 3: Cross multiply
5,331,991.34x = 7,993,185.93 × 1,917,878.13 - Step 4: Simplify right side
5,331,991.34x = 15,329,956,484,170.71 - Step 5: Solve for x
x = 15,329,956,484,170.71/5,331,991.34 - Step 6: Final answer
x = 2,875,090.28
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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.