Finding the Fourth Proportional to 2,773,031.70, 4,159,547.55 and 778,487.70
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Solution
The fourth proportional to 2,773,031.70, 4,159,547.55 and 778,487.70 is: 1,167,731.55
Step by Step Solution
- Step 1: Write the proportion equation
2,773,031.70 : 4,159,547.55 = 778,487.70 : x - Step 2: Convert to fraction form
2,773,031.70/4,159,547.55 = 778,487.70/x - Step 3: Cross multiply
2,773,031.70x = 4,159,547.55 × 778,487.70 - Step 4: Simplify right side
2,773,031.70x = 3,238,156,605,240.14 - Step 5: Solve for x
x = 3,238,156,605,240.14/2,773,031.70 - Step 6: Final answer
x = 1,167,731.55
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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.