Home / 1,938,333.63-2,674,900.53-1,078,875.44

Finding the Fourth Proportional to 1,938,333.63, 2,674,900.53 and 1,078,875.44

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Solution

The fourth proportional to 1,938,333.63, 2,674,900.53 and 1,078,875.44 is: 1,488,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,333.63 : 2,674,900.53 = 1,078,875.44 : x
  2. Step 2: Convert to fraction form
    1,938,333.63/2,674,900.53 = 1,078,875.44/x
  3. Step 3: Cross multiply
    1,938,333.63x = 2,674,900.53 × 1,078,875.44
  4. Step 4: Simplify right side
    1,938,333.63x = 2,885,884,472,885.48
  5. Step 5: Solve for x
    x = 2,885,884,472,885.48/1,938,333.63
  6. Step 6: Final answer
    x = 1,488,848.17

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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.