Finding the Fourth Proportional to 4,990,005.84, 6,886,297.76 and 2,926,509.70
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Solution
The fourth proportional to 4,990,005.84, 6,886,297.76 and 2,926,509.70 is: 4,038,635.99
Step by Step Solution
- Step 1: Write the proportion equation
4,990,005.84 : 6,886,297.76 = 2,926,509.70 : x - Step 2: Convert to fraction form
4,990,005.84/6,886,297.76 = 2,926,509.70/x - Step 3: Cross multiply
4,990,005.84x = 6,886,297.76 × 2,926,509.70 - Step 4: Simplify right side
4,990,005.84x = 20,152,817,191,728.27 - Step 5: Solve for x
x = 20,152,817,191,728.27/4,990,005.84 - Step 6: Final answer
x = 4,038,635.99
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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.