Home / 1,877,070.88-2,592,496.21-1,272,409.12

Finding the Fourth Proportional to 1,877,070.88, 2,592,496.21 and 1,272,409.12

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Solution

The fourth proportional to 1,877,070.88, 2,592,496.21 and 1,272,409.12 is: 1,757,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,070.88 : 2,592,496.21 = 1,272,409.12 : x
  2. Step 2: Convert to fraction form
    1,877,070.88/2,592,496.21 = 1,272,409.12/x
  3. Step 3: Cross multiply
    1,877,070.88x = 2,592,496.21 × 1,272,409.12
  4. Step 4: Simplify right side
    1,877,070.88x = 3,298,715,808,206.95
  5. Step 5: Solve for x
    x = 3,298,715,808,206.95/1,877,070.88
  6. Step 6: Final answer
    x = 1,757,374.14

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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.