Finding the Fourth Proportional to 1,117,911.84, 1,542,746.04 and 608,642.16
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Solution
The fourth proportional to 1,117,911.84, 1,542,746.04 and 608,642.16 is: 839,941.26
Step by Step Solution
- Step 1: Write the proportion equation
1,117,911.84 : 1,542,746.04 = 608,642.16 : x - Step 2: Convert to fraction form
1,117,911.84/1,542,746.04 = 608,642.16/x - Step 3: Cross multiply
1,117,911.84x = 1,542,746.04 × 608,642.16 - Step 4: Simplify right side
1,117,911.84x = 938,980,282,117.05 - Step 5: Solve for x
x = 938,980,282,117.05/1,117,911.84 - Step 6: Final answer
x = 839,941.26
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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.