Finding the Fourth Proportional to 1,868,532.62, 2,578,574.91 and 1,009,092.79
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Solution
The fourth proportional to 1,868,532.62, 2,578,574.91 and 1,009,092.79 is: 1,392,547.99
Step by Step Solution
- Step 1: Write the proportion equation
1,868,532.62 : 2,578,574.91 = 1,009,092.79 : x - Step 2: Convert to fraction form
1,868,532.62/2,578,574.91 = 1,009,092.79/x - Step 3: Cross multiply
1,868,532.62x = 2,578,574.91 × 1,009,092.79 - Step 4: Simplify right side
1,868,532.62x = 2,602,021,343,709.46 - Step 5: Solve for x
x = 2,602,021,343,709.46/1,868,532.62 - Step 6: Final answer
x = 1,392,547.99
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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.