Finding the Fourth Proportional to 1,624,031.08, 2,435,988.30 and 425,943.88
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Solution
The fourth proportional to 1,624,031.08, 2,435,988.30 and 425,943.88 is: 638,900.52
Step by Step Solution
- Step 1: Write the proportion equation
1,624,031.08 : 2,435,988.30 = 425,943.88 : x - Step 2: Convert to fraction form
1,624,031.08/2,435,988.30 = 425,943.88/x - Step 3: Cross multiply
1,624,031.08x = 2,435,988.30 × 425,943.88 - Step 4: Simplify right side
1,624,031.08x = 1,037,594,308,136.60 - Step 5: Solve for x
x = 1,037,594,308,136.60/1,624,031.08 - Step 6: Final answer
x = 638,900.52
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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.