Finding the Fourth Proportional to 3,531,483.42, 4,873,979.62 and 2,155,624.71
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Solution
The fourth proportional to 3,531,483.42, 4,873,979.62 and 2,155,624.71 is: 2,975,087.14
Step by Step Solution
- Step 1: Write the proportion equation
3,531,483.42 : 4,873,979.62 = 2,155,624.71 : x - Step 2: Convert to fraction form
3,531,483.42/4,873,979.62 = 2,155,624.71/x - Step 3: Cross multiply
3,531,483.42x = 4,873,979.62 × 2,155,624.71 - Step 4: Simplify right side
3,531,483.42x = 10,506,470,904,908.41 - Step 5: Solve for x
x = 10,506,470,904,908.41/3,531,483.42 - Step 6: Final answer
x = 2,975,087.14
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.