Home / 1,938,032.50-2,674,484.85-1,078,795.74

Finding the Fourth Proportional to 1,938,032.50, 2,674,484.85 and 1,078,795.74

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Solution

The fourth proportional to 1,938,032.50, 2,674,484.85 and 1,078,795.74 is: 1,488,738.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,032.50 : 2,674,484.85 = 1,078,795.74 : x
  2. Step 2: Convert to fraction form
    1,938,032.50/2,674,484.85 = 1,078,795.74/x
  3. Step 3: Cross multiply
    1,938,032.50x = 2,674,484.85 × 1,078,795.74
  4. Step 4: Simplify right side
    1,938,032.50x = 2,885,222,849,502.12
  5. Step 5: Solve for x
    x = 2,885,222,849,502.12/1,938,032.50
  6. Step 6: Final answer
    x = 1,488,738.12

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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.