Finding the Fourth Proportional to 3,249,903.12, 4,484,832.48 and 1,799,659.68
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Solution
The fourth proportional to 3,249,903.12, 4,484,832.48 and 1,799,659.68 is: 2,483,511.63
Step by Step Solution
- Step 1: Write the proportion equation
3,249,903.12 : 4,484,832.48 = 1,799,659.68 : x - Step 2: Convert to fraction form
3,249,903.12/4,484,832.48 = 1,799,659.68/x - Step 3: Cross multiply
3,249,903.12x = 4,484,832.48 × 1,799,659.68 - Step 4: Simplify right side
3,249,903.12x = 8,071,172,185,810.41 - Step 5: Solve for x
x = 8,071,172,185,810.41/3,249,903.12 - Step 6: Final answer
x = 2,483,511.63
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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.