Home / 1,881,377.61-2,596,349.40-1,021,987.05

Finding the Fourth Proportional to 1,881,377.61, 2,596,349.40 and 1,021,987.05

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Solution

The fourth proportional to 1,881,377.61, 2,596,349.40 and 1,021,987.05 is: 1,410,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,377.61 : 2,596,349.40 = 1,021,987.05 : x
  2. Step 2: Convert to fraction form
    1,881,377.61/2,596,349.40 = 1,021,987.05/x
  3. Step 3: Cross multiply
    1,881,377.61x = 2,596,349.40 × 1,021,987.05
  4. Step 4: Simplify right side
    1,881,377.61x = 2,653,435,464,075.27
  5. Step 5: Solve for x
    x = 2,653,435,464,075.27/1,881,377.61
  6. Step 6: Final answer
    x = 1,410,368.37

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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.