Finding the Fourth Proportional to 1,808,428.84, 2,495,634.18 and 992,637.16
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Solution
The fourth proportional to 1,808,428.84, 2,495,634.18 and 992,637.16 is: 1,369,840.59
Step by Step Solution
- Step 1: Write the proportion equation
1,808,428.84 : 2,495,634.18 = 992,637.16 : x - Step 2: Convert to fraction form
1,808,428.84/2,495,634.18 = 992,637.16/x - Step 3: Cross multiply
1,808,428.84x = 2,495,634.18 × 992,637.16 - Step 4: Simplify right side
1,808,428.84x = 2,477,259,224,834.13 - Step 5: Solve for x
x = 2,477,259,224,834.13/1,808,428.84 - Step 6: Final answer
x = 1,369,840.59
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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.