Finding the Fourth Proportional to 5,310,210.51, 7,963,119.65 and 1,665,724.71
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Solution
The fourth proportional to 5,310,210.51, 7,963,119.65 and 1,665,724.71 is: 2,497,898.18
Step by Step Solution
- Step 1: Write the proportion equation
5,310,210.51 : 7,963,119.65 = 1,665,724.71 : x - Step 2: Convert to fraction form
5,310,210.51/7,963,119.65 = 1,665,724.71/x - Step 3: Cross multiply
5,310,210.51x = 7,963,119.65 × 1,665,724.71 - Step 4: Simplify right side
5,310,210.51x = 13,264,365,161,362.93 - Step 5: Solve for x
x = 13,264,365,161,362.93/5,310,210.51 - Step 6: Final answer
x = 2,497,898.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.