Home / 1,868,356.86-2,578,340.34-1,052,570.31

Finding the Fourth Proportional to 1,868,356.86, 2,578,340.34 and 1,052,570.31

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Solution

The fourth proportional to 1,868,356.86, 2,578,340.34 and 1,052,570.31 is: 1,452,551.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,356.86 : 2,578,340.34 = 1,052,570.31 : x
  2. Step 2: Convert to fraction form
    1,868,356.86/2,578,340.34 = 1,052,570.31/x
  3. Step 3: Cross multiply
    1,868,356.86x = 2,578,340.34 × 1,052,570.31
  4. Step 4: Simplify right side
    1,868,356.86x = 2,713,884,490,959.31
  5. Step 5: Solve for x
    x = 2,713,884,490,959.31/1,868,356.86
  6. Step 6: Final answer
    x = 1,452,551.46

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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.