Finding the Fourth Proportional to 5,528,809.84, 8,293,345.98 and 1,485,302.80
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Solution
The fourth proportional to 5,528,809.84, 8,293,345.98 and 1,485,302.80 is: 2,227,989.45
Step by Step Solution
- Step 1: Write the proportion equation
5,528,809.84 : 8,293,345.98 = 1,485,302.80 : x - Step 2: Convert to fraction form
5,528,809.84/8,293,345.98 = 1,485,302.80/x - Step 3: Cross multiply
5,528,809.84x = 8,293,345.98 × 1,485,302.80 - Step 4: Simplify right side
5,528,809.84x = 12,318,130,005,462.74 - Step 5: Solve for x
x = 12,318,130,005,462.74/5,528,809.84 - Step 6: Final answer
x = 2,227,989.45
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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.