Finding the Fourth Proportional to 3,174,948.68, 4,762,354.08 and 778,805.06
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Solution
The fourth proportional to 3,174,948.68, 4,762,354.08 and 778,805.06 is: 1,168,190.68
Step by Step Solution
- Step 1: Write the proportion equation
3,174,948.68 : 4,762,354.08 = 778,805.06 : x - Step 2: Convert to fraction form
3,174,948.68/4,762,354.08 = 778,805.06/x - Step 3: Cross multiply
3,174,948.68x = 4,762,354.08 × 778,805.06 - Step 4: Simplify right side
3,174,948.68x = 3,708,945,455,015.65 - Step 5: Solve for x
x = 3,708,945,455,015.65/3,174,948.68 - Step 6: Final answer
x = 1,168,190.68
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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.