Finding the Fourth Proportional to 4,319,870.15, 5,961,306.48 and 2,386,089.11
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Solution
The fourth proportional to 4,319,870.15, 5,961,306.48 and 2,386,089.11 is: 3,292,739.82
Step by Step Solution
- Step 1: Write the proportion equation
4,319,870.15 : 5,961,306.48 = 2,386,089.11 : x - Step 2: Convert to fraction form
4,319,870.15/5,961,306.48 = 2,386,089.11/x - Step 3: Cross multiply
4,319,870.15x = 5,961,306.48 × 2,386,089.11 - Step 4: Simplify right side
4,319,870.15x = 14,224,208,443,493.90 - Step 5: Solve for x
x = 14,224,208,443,493.90/4,319,870.15 - Step 6: Final answer
x = 3,292,739.82
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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.