Finding the Fourth Proportional to 1,521,153.80, 2,098,533.30 and 917,206.28
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Solution
The fourth proportional to 1,521,153.80, 2,098,533.30 and 917,206.28 is: 1,265,347.34
Step by Step Solution
- Step 1: Write the proportion equation
1,521,153.80 : 2,098,533.30 = 917,206.28 : x - Step 2: Convert to fraction form
1,521,153.80/2,098,533.30 = 917,206.28/x - Step 3: Cross multiply
1,521,153.80x = 2,098,533.30 × 917,206.28 - Step 4: Simplify right side
1,521,153.80x = 1,924,787,921,549.12 - Step 5: Solve for x
x = 1,924,787,921,549.12/1,521,153.80 - Step 6: Final answer
x = 1,265,347.34
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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.