Home / 1,908,642-2,862,980.28-578,946

Finding the Fourth Proportional to 1,908,642, 2,862,980.28 and 578,946

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Solution

The fourth proportional to 1,908,642, 2,862,980.28 and 578,946 is: 868,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,642 : 2,862,980.28 = 578,946 : x
  2. Step 2: Convert to fraction form
    1,908,642/2,862,980.28 = 578,946/x
  3. Step 3: Cross multiply
    1,908,642x = 2,862,980.28 × 578,946
  4. Step 4: Simplify right side
    1,908,642x = 1,657,510,981,184.88
  5. Step 5: Solve for x
    x = 1,657,510,981,184.88/1,908,642
  6. Step 6: Final answer
    x = 868,424.24

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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.