Finding the Fourth Proportional to 7,031,263.54, 10,547,875.68 and 2,173,966.60
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Solution
The fourth proportional to 7,031,263.54, 10,547,875.68 and 2,173,966.60 is: 3,261,253.02
Step by Step Solution
- Step 1: Write the proportion equation
7,031,263.54 : 10,547,875.68 = 2,173,966.60 : x - Step 2: Convert to fraction form
7,031,263.54/10,547,875.68 = 2,173,966.60/x - Step 3: Cross multiply
7,031,263.54x = 10,547,875.68 × 2,173,966.60 - Step 4: Simplify right side
7,031,263.54x = 22,930,729,429,272.29 - Step 5: Solve for x
x = 22,930,729,429,272.29/7,031,263.54 - Step 6: Final answer
x = 3,261,253.02
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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.