Finding the Fourth Proportional to 1,708,655.16, 2,357,914.86 and 1,219,525.32
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Solution
The fourth proportional to 1,708,655.16, 2,357,914.86 and 1,219,525.32 is: 1,682,924.06
Step by Step Solution
- Step 1: Write the proportion equation
1,708,655.16 : 2,357,914.86 = 1,219,525.32 : x - Step 2: Convert to fraction form
1,708,655.16/2,357,914.86 = 1,219,525.32/x - Step 3: Cross multiply
1,708,655.16x = 2,357,914.86 × 1,219,525.32 - Step 4: Simplify right side
1,708,655.16x = 2,875,536,874,174.26 - Step 5: Solve for x
x = 2,875,536,874,174.26/1,708,655.16 - Step 6: Final answer
x = 1,682,924.06
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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.