Home / 2,776,503.19-4,158,848.67-1,638,038.47

Finding the Fourth Proportional to 2,776,503.19, 4,158,848.67 and 1,638,038.47

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Solution

The fourth proportional to 2,776,503.19, 4,158,848.67 and 1,638,038.47 is: 2,453,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776,503.19 : 4,158,848.67 = 1,638,038.47 : x
  2. Step 2: Convert to fraction form
    2,776,503.19/4,158,848.67 = 1,638,038.47/x
  3. Step 3: Cross multiply
    2,776,503.19x = 4,158,848.67 × 1,638,038.47
  4. Step 4: Simplify right side
    2,776,503.19x = 6,812,354,112,368.34
  5. Step 5: Solve for x
    x = 6,812,354,112,368.34/2,776,503.19
  6. Step 6: Final answer
    x = 2,453,573.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.