Finding the Fourth Proportional to 1,346,267.70, 1,854,070.20 and 1,316,874.42
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Solution
The fourth proportional to 1,346,267.70, 1,854,070.20 and 1,316,874.42 is: 1,813,589.99
Step by Step Solution
- Step 1: Write the proportion equation
1,346,267.70 : 1,854,070.20 = 1,316,874.42 : x - Step 2: Convert to fraction form
1,346,267.70/1,854,070.20 = 1,316,874.42/x - Step 3: Cross multiply
1,346,267.70x = 1,854,070.20 × 1,316,874.42 - Step 4: Simplify right side
1,346,267.70x = 2,441,577,619,264.28 - Step 5: Solve for x
x = 2,441,577,619,264.28/1,346,267.70 - Step 6: Final answer
x = 1,813,589.99
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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.