Home / 5,100,352-7,038,485.78-2,808,507.22

Finding the Fourth Proportional to 5,100,352, 7,038,485.78 and 2,808,507.22

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Solution

The fourth proportional to 5,100,352, 7,038,485.78 and 2,808,507.22 is: 3,875,739.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,352 : 7,038,485.78 = 2,808,507.22 : x
  2. Step 2: Convert to fraction form
    5,100,352/7,038,485.78 = 2,808,507.22/x
  3. Step 3: Cross multiply
    5,100,352x = 7,038,485.78 × 2,808,507.22
  4. Step 4: Simplify right side
    5,100,352x = 19,767,638,116,954.80
  5. Step 5: Solve for x
    x = 19,767,638,116,954.80/5,100,352
  6. Step 6: Final answer
    x = 3,875,739.97

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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.