Finding the Fourth Proportional to 1,708,656.89, 2,562,987.81 and 697,778.84
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Solution
The fourth proportional to 1,708,656.89, 2,562,987.81 and 697,778.84 is: 1,046,669.28
Step by Step Solution
- Step 1: Write the proportion equation
1,708,656.89 : 2,562,987.81 = 697,778.84 : x - Step 2: Convert to fraction form
1,708,656.89/2,562,987.81 = 697,778.84/x - Step 3: Cross multiply
1,708,656.89x = 2,562,987.81 × 697,778.84 - Step 4: Simplify right side
1,708,656.89x = 1,788,398,670,020.08 - Step 5: Solve for x
x = 1,788,398,670,020.08/1,708,656.89 - Step 6: Final answer
x = 1,046,669.28
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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.