Finding the Fourth Proportional to 3,860,656.91, 5,791,029.95 and 1,165,005.47
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Solution
The fourth proportional to 3,860,656.91, 5,791,029.95 and 1,165,005.47 is: 1,747,521.65
Step by Step Solution
- Step 1: Write the proportion equation
3,860,656.91 : 5,791,029.95 = 1,165,005.47 : x - Step 2: Convert to fraction form
3,860,656.91/5,791,029.95 = 1,165,005.47/x - Step 3: Cross multiply
3,860,656.91x = 5,791,029.95 × 1,165,005.47 - Step 4: Simplify right side
3,860,656.91x = 6,746,581,533,903.65 - Step 5: Solve for x
x = 6,746,581,533,903.65/3,860,656.91 - Step 6: Final answer
x = 1,747,521.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.