Home / 1,869,312.51-2,803,967.73-449,368.11

Finding the Fourth Proportional to 1,869,312.51, 2,803,967.73 and 449,368.11

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Solution

The fourth proportional to 1,869,312.51, 2,803,967.73 and 449,368.11 is: 674,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,312.51 : 2,803,967.73 = 449,368.11 : x
  2. Step 2: Convert to fraction form
    1,869,312.51/2,803,967.73 = 449,368.11/x
  3. Step 3: Cross multiply
    1,869,312.51x = 2,803,967.73 × 449,368.11
  4. Step 4: Simplify right side
    1,869,312.51x = 1,260,013,679,331.09
  5. Step 5: Solve for x
    x = 1,260,013,679,331.09/1,869,312.51
  6. Step 6: Final answer
    x = 674,051.92

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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.