Finding the Fourth Proportional to 3,249,295.32, 4,484,027.84 and 1,779,296.58
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Solution
The fourth proportional to 3,249,295.32, 4,484,027.84 and 1,779,296.58 is: 2,455,429.44
Step by Step Solution
- Step 1: Write the proportion equation
3,249,295.32 : 4,484,027.84 = 1,779,296.58 : x - Step 2: Convert to fraction form
3,249,295.32/4,484,027.84 = 1,779,296.58/x - Step 3: Cross multiply
3,249,295.32x = 4,484,027.84 × 1,779,296.58 - Step 4: Simplify right side
3,249,295.32x = 7,978,415,391,440.31 - Step 5: Solve for x
x = 7,978,415,391,440.31/3,249,295.32 - Step 6: Final answer
x = 2,455,429.44
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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.