Home / 2,113,347.86-2,916,418.57-1,146,478.34

Finding the Fourth Proportional to 2,113,347.86, 2,916,418.57 and 1,146,478.34

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Solution

The fourth proportional to 2,113,347.86, 2,916,418.57 and 1,146,478.34 is: 1,582,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,347.86 : 2,916,418.57 = 1,146,478.34 : x
  2. Step 2: Convert to fraction form
    2,113,347.86/2,916,418.57 = 1,146,478.34/x
  3. Step 3: Cross multiply
    2,113,347.86x = 2,916,418.57 × 1,146,478.34
  4. Step 4: Simplify right side
    2,113,347.86x = 3,343,610,703,430.49
  5. Step 5: Solve for x
    x = 3,343,610,703,430.49/2,113,347.86
  6. Step 6: Final answer
    x = 1,582,139.30

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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.