Finding the Fourth Proportional to 4,242,521.79, 6,363,841.05 and 1,209,888
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Solution
The fourth proportional to 4,242,521.79, 6,363,841.05 and 1,209,888 is: 1,814,848.64
Step by Step Solution
- Step 1: Write the proportion equation
4,242,521.79 : 6,363,841.05 = 1,209,888 : x - Step 2: Convert to fraction form
4,242,521.79/6,363,841.05 = 1,209,888/x - Step 3: Cross multiply
4,242,521.79x = 6,363,841.05 × 1,209,888 - Step 4: Simplify right side
4,242,521.79x = 7,699,534,920,302.40 - Step 5: Solve for x
x = 7,699,534,920,302.40/4,242,521.79 - Step 6: Final answer
x = 1,814,848.64
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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.