Finding the Fourth Proportional to 4,158,129.18, 6,238,075.05 and 1,317,867.42
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Solution
The fourth proportional to 4,158,129.18, 6,238,075.05 and 1,317,867.42 is: 1,977,080.44
Step by Step Solution
- Step 1: Write the proportion equation
4,158,129.18 : 6,238,075.05 = 1,317,867.42 : x - Step 2: Convert to fraction form
4,158,129.18/6,238,075.05 = 1,317,867.42/x - Step 3: Cross multiply
4,158,129.18x = 6,238,075.05 × 1,317,867.42 - Step 4: Simplify right side
4,158,129.18x = 8,220,955,871,909.87 - Step 5: Solve for x
x = 8,220,955,871,909.87/4,158,129.18 - Step 6: Final answer
x = 1,977,080.44
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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.