Home / 1,878,830-2,592,709.76-1,019,357.36

Finding the Fourth Proportional to 1,878,830, 2,592,709.76 and 1,019,357.36

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Solution

The fourth proportional to 1,878,830, 2,592,709.76 and 1,019,357.36 is: 1,406,672.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,830 : 2,592,709.76 = 1,019,357.36 : x
  2. Step 2: Convert to fraction form
    1,878,830/2,592,709.76 = 1,019,357.36/x
  3. Step 3: Cross multiply
    1,878,830x = 2,592,709.76 × 1,019,357.36
  4. Step 4: Simplify right side
    1,878,830x = 2,642,897,776,199.83
  5. Step 5: Solve for x
    x = 2,642,897,776,199.83/1,878,830
  6. Step 6: Final answer
    x = 1,406,672.12

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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.