Home / 1,938,328.64-2,906,248.80-1,272,703.04

Finding the Fourth Proportional to 1,938,328.64, 2,906,248.80 and 1,272,703.04

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Solution

The fourth proportional to 1,938,328.64, 2,906,248.80 and 1,272,703.04 is: 1,908,237.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,328.64 : 2,906,248.80 = 1,272,703.04 : x
  2. Step 2: Convert to fraction form
    1,938,328.64/2,906,248.80 = 1,272,703.04/x
  3. Step 3: Cross multiply
    1,938,328.64x = 2,906,248.80 × 1,272,703.04
  4. Step 4: Simplify right side
    1,938,328.64x = 3,698,791,682,756.35
  5. Step 5: Solve for x
    x = 3,698,791,682,756.35/1,938,328.64
  6. Step 6: Final answer
    x = 1,908,237.65

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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.