Finding the Fourth Proportional to 1,980,866.24, 2,733,595.36 and 1,075,448.32
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Solution
The fourth proportional to 1,980,866.24, 2,733,595.36 and 1,075,448.32 is: 1,484,118.65
Step by Step Solution
- Step 1: Write the proportion equation
1,980,866.24 : 2,733,595.36 = 1,075,448.32 : x - Step 2: Convert to fraction form
1,980,866.24/2,733,595.36 = 1,075,448.32/x - Step 3: Cross multiply
1,980,866.24x = 2,733,595.36 × 1,075,448.32 - Step 4: Simplify right side
1,980,866.24x = 2,939,840,537,471.80 - Step 5: Solve for x
x = 2,939,840,537,471.80/1,980,866.24 - Step 6: Final answer
x = 1,484,118.65
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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.