Finding the Fourth Proportional to 5,358,681.68, 8,038,098.12 and 1,572,242.72
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Solution
The fourth proportional to 5,358,681.68, 8,038,098.12 and 1,572,242.72 is: 2,358,386.26
Step by Step Solution
- Step 1: Write the proportion equation
5,358,681.68 : 8,038,098.12 = 1,572,242.72 : x - Step 2: Convert to fraction form
5,358,681.68/8,038,098.12 = 1,572,242.72/x - Step 3: Cross multiply
5,358,681.68x = 8,038,098.12 × 1,572,242.72 - Step 4: Simplify right side
5,358,681.68x = 12,637,841,251,815.69 - Step 5: Solve for x
x = 12,637,841,251,815.69/5,358,681.68 - Step 6: Final answer
x = 2,358,386.26
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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.