Finding the Fourth Proportional to 1,565,952.80, 2,349,106.64 and 1,405,040.12
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Solution
The fourth proportional to 1,565,952.80, 2,349,106.64 and 1,405,040.12 is: 2,107,719.39
Step by Step Solution
- Step 1: Write the proportion equation
1,565,952.80 : 2,349,106.64 = 1,405,040.12 : x - Step 2: Convert to fraction form
1,565,952.80/2,349,106.64 = 1,405,040.12/x - Step 3: Cross multiply
1,565,952.80x = 2,349,106.64 × 1,405,040.12 - Step 4: Simplify right side
1,565,952.80x = 3,300,589,075,358.40 - Step 5: Solve for x
x = 3,300,589,075,358.40/1,565,952.80 - Step 6: Final answer
x = 2,107,719.39
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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.