Finding the Fourth Proportional to 3,124,312.27, 4,311,875.63 and 1,799,781.68
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Solution
The fourth proportional to 3,124,312.27, 4,311,875.63 and 1,799,781.68 is: 2,483,885.77
Step by Step Solution
- Step 1: Write the proportion equation
3,124,312.27 : 4,311,875.63 = 1,799,781.68 : x - Step 2: Convert to fraction form
3,124,312.27/4,311,875.63 = 1,799,781.68/x - Step 3: Cross multiply
3,124,312.27x = 4,311,875.63 × 1,799,781.68 - Step 4: Simplify right side
3,124,312.27x = 7,760,434,765,312.46 - Step 5: Solve for x
x = 7,760,434,765,312.46/3,124,312.27 - Step 6: Final answer
x = 2,483,885.77
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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.