Finding the Fourth Proportional to 5,352,988.95, 7,387,130.48 and 2,905,599.60
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Solution
The fourth proportional to 5,352,988.95, 7,387,130.48 and 2,905,599.60 is: 4,009,730.55
Step by Step Solution
- Step 1: Write the proportion equation
5,352,988.95 : 7,387,130.48 = 2,905,599.60 : x - Step 2: Convert to fraction form
5,352,988.95/7,387,130.48 = 2,905,599.60/x - Step 3: Cross multiply
5,352,988.95x = 7,387,130.48 × 2,905,599.60 - Step 4: Simplify right side
5,352,988.95x = 21,464,043,353,307.81 - Step 5: Solve for x
x = 21,464,043,353,307.81/5,352,988.95 - Step 6: Final answer
x = 4,009,730.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.