Finding the Fourth Proportional to 5,553,501.71, 7,663,775.69 and 3,106,106.91
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Solution
The fourth proportional to 5,553,501.71, 7,663,775.69 and 3,106,106.91 is: 4,286,395.85
Step by Step Solution
- Step 1: Write the proportion equation
5,553,501.71 : 7,663,775.69 = 3,106,106.91 : x - Step 2: Convert to fraction form
5,553,501.71/7,663,775.69 = 3,106,106.91/x - Step 3: Cross multiply
5,553,501.71x = 7,663,775.69 × 3,106,106.91 - Step 4: Simplify right side
5,553,501.71x = 23,804,506,635,164.29 - Step 5: Solve for x
x = 23,804,506,635,164.29/5,553,501.71 - Step 6: Final answer
x = 4,286,395.85
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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.