Home / 1,938,038.25-2,674,492.80-1,078,801.50

Finding the Fourth Proportional to 1,938,038.25, 2,674,492.80 and 1,078,801.50

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Solution

The fourth proportional to 1,938,038.25, 2,674,492.80 and 1,078,801.50 is: 1,488,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,038.25 : 2,674,492.80 = 1,078,801.50 : x
  2. Step 2: Convert to fraction form
    1,938,038.25/2,674,492.80 = 1,078,801.50/x
  3. Step 3: Cross multiply
    1,938,038.25x = 2,674,492.80 × 1,078,801.50
  4. Step 4: Simplify right side
    1,938,038.25x = 2,885,246,844,379.20
  5. Step 5: Solve for x
    x = 2,885,246,844,379.20/1,938,038.25
  6. Step 6: Final answer
    x = 1,488,746.08

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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.