Finding the Fourth Proportional to 1,698,448.95, 2,549,269.61 and 889,414.06
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Solution
The fourth proportional to 1,698,448.95, 2,549,269.61 and 889,414.06 is: 1,334,956.95
Step by Step Solution
- Step 1: Write the proportion equation
1,698,448.95 : 2,549,269.61 = 889,414.06 : x - Step 2: Convert to fraction form
1,698,448.95/2,549,269.61 = 889,414.06/x - Step 3: Cross multiply
1,698,448.95x = 2,549,269.61 × 889,414.06 - Step 4: Simplify right side
1,698,448.95x = 2,267,356,233,864.72 - Step 5: Solve for x
x = 2,267,356,233,864.72/1,698,448.95 - Step 6: Final answer
x = 1,334,956.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.