Home / 1,566,352.54-2,161,515.54-921,808

Finding the Fourth Proportional to 1,566,352.54, 2,161,515.54 and 921,808

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Solution

The fourth proportional to 1,566,352.54, 2,161,515.54 and 921,808 is: 1,272,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,352.54 : 2,161,515.54 = 921,808 : x
  2. Step 2: Convert to fraction form
    1,566,352.54/2,161,515.54 = 921,808/x
  3. Step 3: Cross multiply
    1,566,352.54x = 2,161,515.54 × 921,808
  4. Step 4: Simplify right side
    1,566,352.54x = 1,992,502,316,896.32
  5. Step 5: Solve for x
    x = 1,992,502,316,896.32/1,566,352.54
  6. Step 6: Final answer
    x = 1,272,065.05

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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.