Finding the Fourth Proportional to 3,249,349.51, 4,484,170.75 and 1,779,319.80
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Solution
The fourth proportional to 3,249,349.51, 4,484,170.75 and 1,779,319.80 is: 2,455,498.79
Step by Step Solution
- Step 1: Write the proportion equation
3,249,349.51 : 4,484,170.75 = 1,779,319.80 : x - Step 2: Convert to fraction form
3,249,349.51/4,484,170.75 = 1,779,319.80/x - Step 3: Cross multiply
3,249,349.51x = 4,484,170.75 × 1,779,319.80 - Step 4: Simplify right side
3,249,349.51x = 7,978,773,802,055.85 - Step 5: Solve for x
x = 7,978,773,802,055.85/3,249,349.51 - Step 6: Final answer
x = 2,455,498.79
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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.