Home / 5,385,421.63-7,431,905.96-2,938,025.26

Finding the Fourth Proportional to 5,385,421.63, 7,431,905.96 and 2,938,025.26

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Solution

The fourth proportional to 5,385,421.63, 7,431,905.96 and 2,938,025.26 is: 4,054,488.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,421.63 : 7,431,905.96 = 2,938,025.26 : x
  2. Step 2: Convert to fraction form
    5,385,421.63/7,431,905.96 = 2,938,025.26/x
  3. Step 3: Cross multiply
    5,385,421.63x = 7,431,905.96 × 2,938,025.26
  4. Step 4: Simplify right side
    5,385,421.63x = 21,835,127,425,734.42
  5. Step 5: Solve for x
    x = 21,835,127,425,734.42/5,385,421.63
  6. Step 6: Final answer
    x = 4,054,488.01

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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.