Home / 1,956,045.17-2,931,996.93-657,961.80

Finding the Fourth Proportional to 1,956,045.17, 2,931,996.93 and 657,961.80

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Solution

The fourth proportional to 1,956,045.17, 2,931,996.93 and 657,961.80 is: 986,246.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,045.17 : 2,931,996.93 = 657,961.80 : x
  2. Step 2: Convert to fraction form
    1,956,045.17/2,931,996.93 = 657,961.80/x
  3. Step 3: Cross multiply
    1,956,045.17x = 2,931,996.93 × 657,961.80
  4. Step 4: Simplify right side
    1,956,045.17x = 1,929,141,977,657.27
  5. Step 5: Solve for x
    x = 1,929,141,977,657.27/1,956,045.17
  6. Step 6: Final answer
    x = 986,246.13

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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.