Finding the Fourth Proportional to 1,528,298.34, 2,109,073.55 and 840,033.84
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Solution
The fourth proportional to 1,528,298.34, 2,109,073.55 and 840,033.84 is: 1,159,258.70
Step by Step Solution
- Step 1: Write the proportion equation
1,528,298.34 : 2,109,073.55 = 840,033.84 : x - Step 2: Convert to fraction form
1,528,298.34/2,109,073.55 = 840,033.84/x - Step 3: Cross multiply
1,528,298.34x = 2,109,073.55 × 840,033.84 - Step 4: Simplify right side
1,528,298.34x = 1,771,693,144,894.25 - Step 5: Solve for x
x = 1,771,693,144,894.25/1,528,298.34 - Step 6: Final answer
x = 1,159,258.70
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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.