Home / 6,748,840.80-10,123,261.20-1,956,686.40

Finding the Fourth Proportional to 6,748,840.80, 10,123,261.20 and 1,956,686.40

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Solution

The fourth proportional to 6,748,840.80, 10,123,261.20 and 1,956,686.40 is: 2,935,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748,840.80 : 10,123,261.20 = 1,956,686.40 : x
  2. Step 2: Convert to fraction form
    6,748,840.80/10,123,261.20 = 1,956,686.40/x
  3. Step 3: Cross multiply
    6,748,840.80x = 10,123,261.20 × 1,956,686.40
  4. Step 4: Simplify right side
    6,748,840.80x = 19,808,047,513,687.68
  5. Step 5: Solve for x
    x = 19,808,047,513,687.68/6,748,840.80
  6. Step 6: Final answer
    x = 2,935,029.60

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1.5x scale

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.