Home / 1,547,828.80-2,136,200.41-935,985.78

Finding the Fourth Proportional to 1,547,828.80, 2,136,200.41 and 935,985.78

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Solution

The fourth proportional to 1,547,828.80, 2,136,200.41 and 935,985.78 is: 1,291,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,828.80 : 2,136,200.41 = 935,985.78 : x
  2. Step 2: Convert to fraction form
    1,547,828.80/2,136,200.41 = 935,985.78/x
  3. Step 3: Cross multiply
    1,547,828.80x = 2,136,200.41 × 935,985.78
  4. Step 4: Simplify right side
    1,547,828.80x = 1,999,453,208,160.15
  5. Step 5: Solve for x
    x = 1,999,453,208,160.15/1,547,828.80
  6. Step 6: Final answer
    x = 1,291,779.30

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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.