Finding the Fourth Proportional to 1,698,821.84, 2,344,374.64 and 934,875.42
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Solution
The fourth proportional to 1,698,821.84, 2,344,374.64 and 934,875.42 is: 1,290,128.36
Step by Step Solution
- Step 1: Write the proportion equation
1,698,821.84 : 2,344,374.64 = 934,875.42 : x - Step 2: Convert to fraction form
1,698,821.84/2,344,374.64 = 934,875.42/x - Step 3: Cross multiply
1,698,821.84x = 2,344,374.64 × 934,875.42 - Step 4: Simplify right side
1,698,821.84x = 2,191,698,226,207.35 - Step 5: Solve for x
x = 2,191,698,226,207.35/1,698,821.84 - Step 6: Final answer
x = 1,290,128.36
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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.